Test Information | North Bristol NHS Trust

This is a searchable database of information about tests offered by Severn Pathology. You can browse the index, enter a test name, part of a test name, abbreviation or clinical indication below.

The containers listed refer to those used to collect samples from adults locally in GP practices and hospital wards/outpatients. Details of the containers used for neonates, children and in the emergency zone (ED, AAU, ITU) can be found here Tube Guide and Recommended Order of Draw.

	Sample type	Test name	Ideal volume	Turnaround time	Discipline

24	Serum	1,25-Dihydroxy Vitamin D	5 mL	4 weeks	Clinical Biochemistry
24	Serum	11-deoxycortisol	1 mL	1 week	Clinical Biochemistry
31	Blood spot	17 OHP	see notes	14 days	Clinical Biochemistry
20	Plasma	17 OHP	5 mL	14 days	Clinical Biochemistry
17	Plasma	3-Hydroxybutyrate	5 mL	7 days	Clinical Biochemistry
24	Serum	5-Alpha Dihydrotestosterone	1 mL	28 days	Clinical Biochemistry
2	Urine - 24 hour	5-HIAA		7 days	Clinical Biochemistry
20	Plasma	7-dehydrocholesterol	2 mL	28 days	Clinical Biochemistry
14	Whole blood	ABO Antibody Titration for ABO Incompatible Renal Transplantation	8 ml	7 working days	Immunology
24	Serum	ACE	5 mL	7 days	Clinical Biochemistry
34	CSF	ACE	500 uL	6 weeks	Clinical Biochemistry
24	Serum	Acetylcholine Receptor Antibody	2 mL	3 weeks	Immunology
24	Serum	Aciclovir/CMMG		<3 days	Antimicrobial Reference Laboratory
14	Plasma	ACTH	5 mL	5 days	Clinical Biochemistry
9	Blood spot	Acylcarnitine	1x Spot	21 days	Clinical Biochemistry
20	Plasma	Acylcarnitine	2 mL	21 days	Clinical Biochemistry
13	Plasma	ADAMTS13		48 hours	Haematology
34	Fluid	Adenosine Deaminase in TB	1 mL	14 days	Clinical Biochemistry
34	Bronchoalveolar lavage (BALs) and Sputums	Adenovirus Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Adenovirus Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Adenovirus Molecular assay (NAAT)	500µL	2 days	Virology
11	Faecal sample	Adenovirus PCR (In house)	pea sized amount	2 days	Virology
43	Swab (eye)	Adenovirus (qualitative) PCR (In house)	500µl	3 days	Virology
14	EDTA Blood sample	Adenovirus (quantitative) PCR (In house)	450µl	3 days	Virology
24	Serum	Adrenal Cortex Antibody	2 mL	14 working days	Immunology
24	Serum	AFP	5 mL	1 day	Clinical Biochemistry
34	CSF	AFP	2 mL	21 days	Clinical Biochemistry
24	Serum	Albumin	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Fluid	Albumin	5 mL	3 days	Clinical Biochemistry
35	Urine - Random	Albumin / creatinine ratio		1 day	Clinical Biochemistry
14	Plasma	Aldosterone	5 mL	21 days	Clinical Biochemistry
24	Serum	Alk Phos Isoenzymes	5 mL	7 days	Clinical Biochemistry
24	Serum	Allergen specific IgE	2 mL	7 working days	Immunology
24	Serum	ALP	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Alpha 1 antitrypsin activity	5 mL	3 days	Clinical Biochemistry
24	Serum	Alpha 1 antitrypsin phenotype	5 mL	14 working days	Immunology
24	Serum	Alpha subunit	2 mL	28 days	Clinical Biochemistry
24	Serum	ALT	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
10	Whole Blood	Aluminium	5 mL	14 days	Clinical Biochemistry
24	Serum	AMH	2 mL	1 week	Clinical Biochemistry
24	Serum	Amikacin		<1 day	Antimicrobial Reference Laboratory
20	Plasma	Amino Acid profile	2 mL	21 days	Clinical Biochemistry
35	Urine - Random	Amino Acids	5 mL	21 days	Clinical Biochemistry
14	Plasma	Amiodarone	5 mL	7 days	Clinical Biochemistry
14	Plasma	Ammonia	1 mL	2 hours	Clinical Biochemistry
24	Fluid	Amylase	5 mL	3 days	Clinical Biochemistry
35	Urine - Random	Amylase	5 mL	4 hours	Clinical Biochemistry
24	Serum	ANCA	2 mL	4 working days	Immunology
24	Serum	Androstenedione	5 mL	28 days	Clinical Biochemistry
24	Serum	Anion Gap	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
16	Whole Blood	Antenatal Blood Group and Antibody Screen	4 mL	1 day	Blood Transfusion
24	Serum	Anti Cardiolipin Antibody	2ml	1 week	Immunology
24	Serum	Anti PLA2 R	2ml	2 weeks	Immunology
13	Whole Blood	Anti Thrombin	3 full tubes	21 days	Haematology
13	Plasma	Anti-Xa	2.7 mL	24 hours	Haematology
16	Whole Blood	ANTIBODY Investigation (red cells)	6ml x 2	Up to 72 hours	Blood Transfusion
24	Serum	Antimicrobial assays	5 mL	1 day	Microbiology
24	Serum	Antinuclear Antibody	2 mL	4 working days	Immunology
14	Whole Blood	Apo E genotyping	4 mL	28 days	Genetics
24	Serum	Apolipoprotein B	1 mL	1 week	Clinical Biochemistry
13	Whole Blood	APTT/APTT-R	2.7 mL	24 hours	Haematology
14	Whole blood	Arsenic	2 mL	2 weeks	Clinical Biochemistry
34	Urine	Arsenic (urine)	5 mL	2 weeks	Clinical Biochemistry
25	Fluid	Asialotransferrin	see notes	3 working days	Immunology
24	Clotted blood samples	Aspergillus Antigen	700µL	Mean 1 day	Mycology Reference Laboratory
24	Clotted blood samples	Aspergillus Antigen	700µL	Mean 1 day	Mycology Reference Laboratory
34	Broncheolar lavage (BAL) samples	Aspergillus Antigen	700µL	Mean 1 day	Mycology Reference Laboratory
34	Broncheolar lavage (BAL) samples	Aspergillus Antigen	700µL	Mean 1 day	Mycology Reference Laboratory
24	serum	Aspergillus IgG	2ml	1 week	Immunology
24	Clotted blood samples	Aspergillus Precipitins	200µL	Mean 3 days	Mycology Reference Laboratory
24	Clotted blood samples	Aspergillus Precipitins	200µL	Mean 3 days	Mycology Reference Laboratory
24	Serum	AST	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
11	Faecal sample	Astrovirus PCR (In house)	pea sized amount	2 days	Virology
24	Serum	Autoimmune Liver Disease Antibodies	2 mL	4 working days	Immunology
34	Swabs (nose and throat)	Avian Influenza A PCR Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Avian influenza A PCR Molecular assay (NAAT)		2 days	Virology
24	Serum	Avian proteins IgG	2ml	1 week	Immunology
34	BAL MCS	BAL MCS	3 mL	12 days	Microbiology
35	Urine - Random	Barbiturates	5 mL	3 days	Clinical Biochemistry
24	Serum	Benzylpenicillin (Penicillin G)		<3 days	Antimicrobial Reference Laboratory
24	Serum	Beta 2 Glycoprotein 1	2ml	14 working days	Immunology
24	Serum	Beta 2 microglobulin	2 mL	7 working days	Immunology
24	Clotted blood samples	Beta D Glucan	200µL	Mean <1 day	Mycology Reference Laboratory
24	Clotted blood samples	Beta D Glucan	200µL	Mean <1 day	Mycology Reference Laboratory
24	Serum	Bicarbonate	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Bilirubin	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
	Plasma	Bilirubin - infants		4 hours	Clinical Biochemistry
24	Serum	Bilirubin-(Conjugated fraction)	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
9	Blood spot	Biopterins	6x Spots	28 days	Clinical Biochemistry
14	Plasma	Biotinidase	1 mL	7 days	Clinical Biochemistry
34	Urine	BK virus (quantitative) PCR (In house)	500µl	3 days	Virology
14	EDTA Blood sample	BK virus (quantitative) PCR (In house)	450µl	3 days	Virology
14	Whole Blood	Blood Film		24 hours	Haematology
18	Whole Blood	Blood Gases	see notes		Clinical Biochemistry
	Bone Marrow	Bone Marrow Aspirate or Trephine			Haematology
24	Serum	Bone profile	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
34	Pernasal swabs	Bordatella pertussis Molecular assay (NAAT)	500µL	3 days	Virology
34	Pernasal swabs	Bordetella parapertussis Molecular assay (NAAT)	500µL	3 days	Virology
24	Clotted blood sample	Bordetella pertussis antibodies IgG	150µL	3 days	Virology
24	Clotted blood sample	Borrelia burgdorferi (Lyme) antibodies IgG and IgM	150µL	3 days	Virology
28	Urine - Random	C-peptide : creatinine ratio	2 mL	1 week	Clinical Biochemistry
14	Plasma	C-Peptide (Transplant only)	5ml	1 week	Clinical Biochemistry
11	Faeces	C.difficile toxin	3 spoons	2 days	Microbiology
24	Serum	C1 Esterase Inhibitor	2 mL	14 working days	Immunology
14	Whole Blood	C3 Degradation Products	3 mL	5 working days	Immunology
24	Serum	C3 Nephritic Factor	2 mL	7 working days	Immunology
24	Serum	CA 125	5 mL	1 day	Clinical Biochemistry
24	Serum	CA 15-3	5 mL	1 day	Clinical Biochemistry
24	Serum	CA 19-9	5 mL	1 day	Clinical Biochemistry
35	Urine - Random	Cadmium	5 mL	14 days	Clinical Biochemistry
14	Whole Blood	Cadmium	4 mL	14 days	Clinical Biochemistry
24	Serum	Caeruloplasmin	5 mL	4 days	Clinical Biochemistry
24	Serum	Calcitonin	5 mL	14 days	Clinical Biochemistry
4	Urine - 24 hour	Calcium		3 days	Clinical Biochemistry
24	Serum	Calcium	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
27	Serum and Urine	Calcium excretion index	5 mL	3 days	Clinical Biochemistry
11	Faeces	Calprotectin	5 g	7 working days	Immunology
24	Clotted blood samples	Candida Antigen	300µL	Mean 1.6 days	Mycology Reference Laboratory
35	Urine - Random	Cannabinoids	5 mL	3 days	Clinical Biochemistry
24	Serum	Carbamazepine	5 mL	1 day	Clinical Biochemistry
18	Whole Blood	Carboxyhaemoglobin	full tube		Clinical Biochemistry
24	Serum	Cardiac Muscle Antibody	2 mL	21 working days	Immunology
35	Urine - Random	Carnitine	5 mL	14 days	Clinical Biochemistry
	Urine - 24 hour	Catecholamines
14	Whole Blood	CD 4 Counts	3 mL	1 working day	Immunology
24	Serum	CDT	5 mL	14 days	Clinical Biochemistry
24	Serum	CEA	5 mL	1 day	Clinical Biochemistry
24	Serum	Ceftazidime		<3 days	Antimicrobial Reference Laboratory
24	Serum	Centromere Antibody	2 mL	7 working days	Immunology
	Swabs (nose and throat)	Chlamydia pneumoniae Molecular assay (NAAT) Biofire Film array	500µL	2 days	Virology
1	Aptima Swab	Chlamydia trachomatis NAAT	1 tube	3 days	Virology
1	Aptima Urine	Chlamydia trachomatis NAAT	1 tube	3 days	Virology
24	Clotted blood sample	Chlamydia trachomatis antibodies IgG	150µL	3 days	Virology
1	Swab (eye)	Chlamydia trachomatis/Neisseria gonorrhoeae NAAT	1 tube	3 days	Virology
37	See Notes	Chlamydia/ GC other swabs		10 days	Microbiology
38	Urine - Random	Chlamydia/ GC urine		10 days	Microbiology
1	See Notes	Chlamydia/ GC vaginal swabs		10 days	Microbiology
24	Serum	Chloramphenicol		<3 days	Antimicrobial Reference Laboratory
24	Serum	Chloride	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
20	Plasma	Cholestanol	1 mL	21 days	Clinical Biochemistry
24	Serum	Cholesterol	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Fluid	Cholesterol	2 mL	3 days	Clinical Biochemistry
14	Whole Blood	Cholinesterase Genotype	4 mL	10 - 12 weeks	Clinical Biochemistry
14	EDTA (whole blood)	Cholinesterase Studies	5 mL	3 - 4 weeks	Clinical Biochemistry
14	Whole Blood	Chromium	4 mL	14 days	Clinical Biochemistry
24	Serum	Chromogranin A	5 mL	14 days	Clinical Biochemistry
14	Plasma	Chromogranin B	5 mL	28 days	Clinical Biochemistry
24	Serum	Ciprofloxacin		<3 days	Antimicrobial Reference Laboratory
4	Urine - 24 hour	Citrate		7 days	Clinical Biochemistry
20	Plasma	Citrulline	1 mL		Clinical Biochemistry
24	Serum	CK	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
13	Whole Blood	Clauss Fibrinogen	2.7 mL	24 hours	Haematology
13	Whole Blood	Clotting Screen	2.7 mL	24 hours	Haematology
14	Plasma	Clozapine Level	2.7 mL	10 days	Haematology
34	Urine	CMV PCR (In house)	500µl	3 days	Virology
24	Clotted blood sample	CMV IgG	150µL	3 days	Virology
		CMV IgM
14	Whole Blood	Cobalt	4 mL	14 days	Clinical Biochemistry
24	Serum	Colistin		<3 days	Antimicrobial Reference Laboratory
24	Serum	Complement C3 + C4	2 mL	4 working days	Immunology
24	Serum	Complement Function	2 mL	28 working days	Immunology
24	Serum	Copeptin	5 mL	14 days	Clinical Biochemistry
24	Serum	Copper	5 mL	7 days	Clinical Biochemistry
5	Urine - 24 hour	Copper		7 days	Clinical Biochemistry
34	Swabs (nose and throat)	Coronaviurs Molecular assay (NAAT) Biofire Film array	500µL	2 days	Virology
24	Serum	Cortisol	5 mL	1 day	Clinical Biochemistry
34	Nasopharayngeal aspirates (NPAs)	COVID-19 Molecular assay (NAAT)	500µL	1 day	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	COVID-19 Molecular assay (NAAT)	500µL	1 day	Virology
43	Swabs (nose and throat)	COVID-19 Molecular assay (NAAT)	500µL	1 day	Virology
20	Plasma	Creatine Studies	2 mL	21 days	Clinical Biochemistry
35	Urine - Random	Creatine Studies	5 mL	14 days	Clinical Biochemistry
34	Dialysate	Creatinine	2 mL	1 day	Clinical Biochemistry
24	Serum	Creatinine	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Fluid	Creatinine	2 mL	3 days	Clinical Biochemistry
26	Serum and Urine	Creatinine clearance		8 hours	Clinical Biochemistry
24	Serum	Crithidia for dsDNA antibodies	2ml	14 working days	Immunology
19	Whole Blood	Cross-match - (Whitecell) for Renal Transplantation Immunology	see notes	See notes	Immunology
16	Whole Blood	Crossmatch - Blood Transfusion	4 mL	See Notes	Blood Transfusion
24	Serum	CRP	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Cryoglobulin	see notes	10 working days	Immunology
	CSF	CSF neurodegenerative markers	0.5mL in each tube	10 working days	Clinical Biochemistry
14	Plasma	CTx	2 mL	21 days	Clinical Biochemistry
14	Whole Blood	Cyanide	4 mL	21 days	Clinical Biochemistry
24	Serum	Cyclic Citrullinated Peptide Antibodies	2 mL	14 working days	Immunology
24	Serum	Cycloserine		<3 days	Antimicrobial Reference Laboratory
14	Whole Blood	Cyclosporin	4 mL	3 days	Clinical Biochemistry
24	Serum	Cystatin C	2mL	7 days	Clinical Biochemistry
33	Urine - timed	Cystine day/night		21 days	Clinical Biochemistry
4	Urine - 24 hour	Cystine Quantitative Test		21 days	Clinical Biochemistry
35	Urine - Random	Cystine Screening Test	5 mL	21 days	Clinical Biochemistry
34	CSF	Cytomegalovirus CMV (quantitative) PCR (In house)	200µl	3 days	Virology
14	EDTA Blood sample	Cytomegalovirus CMV (quantitative) PCR (In house)	450µl	3 days	Virology
34	Amniotic fluid	Cytomegalovirus CMV (quantitative) PCR (In house)	200µl	3 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Cytomegalovirus CMV(qualitative) PCR (In house)	500µL	3 days	Virology
		Cytomegalovirus IgG avidity
34	Bronchoalveolar lavage (BALs) and Sputums	Cytomegaloviurs CMV (qualitative) PCR (In house)	500µL	3 days	Virology
13	Whole Blood	D-Dimer	2.7 mL	24 hours	Haematology
24	Serum	Daptomycin		<3 days	Antimicrobial Reference Laboratory
14	Whole Blood	DAT	3 mL	72 hours	Blood Transfusion
24	Serum	DHEAS	5 mL	10 days	Clinical Biochemistry
24	Serum	Diabetes Autoantibodies (ZnT8, GAD, IA2)	2 mL	28 working days	Immunology
24	Serum	Digoxin	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
34	Donor Milk	Donor Milk Bank		3 days	Microbiology
24	Serum	Down's Syndrome Screening	5 mL	7 days	Clinical Biochemistry
35	Urine - Random	Drug (Overdose) Screen	5 mL	3 days	Clinical Biochemistry
35	Urine - Random	Drugs of Abuse	5 mL	4 days	Clinical Biochemistry
24	Serum	ds-DNA antibodies	2 mL	7 working days	Immunology
14	EDTA Blood sample	EBV (quantitative) PCR (In house)	450µl	3 days	Virology
24	Serum	eGFR	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Fluid	Electrolytes	2 mL	3 days	Clinical Biochemistry
24	Serum	ELF	5 mL	10 days	Clinical Biochemistry
24	Serum	Endomysium Antibody	2 mL		Immunology
43	Vesicle Swab	Enterovirus PCR (In house)	500µl		Virology
43	Swabs Throat swab	Enterovirus PCR (In house)	500µL	3 days	Virology
34	Vesicle fluid	Enterovirus PCR (In house)	500µl	3 days	Virology
43	Vesicle swab	Enterovirus PCR (In house)	500µl	3 days	Virology
14	EDTA Blood sample	Enterovirus PCR (In house)	450µl	3 days	Virology
11	Faecal sample	Enterovirus PCR (In house)	pea sized amount	3 days	Virology
34	CSF	Enterovirus PCR (In house)	200µl	3 days	Virology
24	Whole Blood	EPO	5 mL	10 days	Clinical Biochemistry
		Epstein Barr Virus (EBV) IgG
24	Clotted blood sample	Epstein Barr Virus (EBV) serology EBNA VCA IgG and IgM	150µL	3 days	Virology
34	CSF	Epstein Barr Virus EBV (qualitative) PCR (In house)	200µl	3 days	Virology
24	Serum	Ethambutol		<3 days	Antimicrobial Reference Laboratory
35	Urine - Random	Ethanol	2 mL	1 day	Clinical Biochemistry
17	Plasma	Ethanol	5 mL	4 hours	Clinical Biochemistry
17	Plasma	Ethylene glycol	5 mL	1 day	Clinical Biochemistry
24	Serum	Extractable Nuclear Antigen	2 mL	7 working days	Immunology
14	Whole Blood	Fabry Screen	4 mL	2-3 weeks	Clinical Biochemistry
13	Plasma	Factor II	2 full tubes	2 weeks	Haematology
13	Whole Blood	Factor IX Assay	2.7 mL	10 days	Haematology
13	Plasma	Factor V	2 full tubes	2 weeks	Haematology
13	Whole Blood	Factor V Leiden	2.7 mL	1 month	Haematology
13	Plasma	Factor VII	2 full tubes	2 weeks	Haematology
13	Whole Blood	Factor VIII Assay	2.7 mL	10 days	Haematology
13	Plasma	Factor VIII Inhibitor	2 full tubes	2 weeks, urgents will be processed as required following discussion with Haematologist	Haematology
13	Plasma	Factor X	2 full tubes	10 days	Haematology
13	Plasma	Factor XI	2 full tubes	10 days	Haematology
13	Plasma	Factor XII	2 full tubes	10 days	Haematology
13	Plasma	Factor XIII	2 full tubes	10 days	Haematology
11	Faeces	Faecal Elastase	5 g	16 working days	Immunology
		Faecal reducing substances
		Fat Globules
24	Serum	Ferritin	5 mL	24 hours	Clinical Biochemistry
14	Plasma	FGF-23	2 mL	4 weeks	Clinical Biochemistry
24	Plasma AND Serum	FIB-4	5 mL	24 hours	Clinical Biochemistry
	Faecal	FIT		2 working days	Immunology
24	Serum	Flucloxacillin		<3 days	Antimicrobial Reference Laboratory
24	Serum	Fluconazole		<3 days	Antimicrobial Reference Laboratory
24	Serum	Flucytosine		<3 days	Antimicrobial Reference Laboratory
16	Whole Blood	Foetal leak investigation	4 mL	1 day	Blood Transfusion
24	Serum	Folate	5 mL	24 hours	Clinical Biochemistry
24	Serum	Free androgen index	5 mL	7 days	Clinical Biochemistry
17	Plasma	Free Fatty Acids	2 mL	7 days	Clinical Biochemistry
16	Whole Blood	Free fetal DNA for fetal Rh typing	4 mL	15 days	Blood Transfusion
24	Serum	Free Light Chains	2 mL	7 working days	Immunology
24	Serum	Free Testosterone	5 mL	7 days	Clinical Biochemistry
24	Serum	Fructosamine	5 mL	7 days	Clinical Biochemistry
24	Serum	FSH	5 mL	1 day	Clinical Biochemistry
14	Whole Blood	Full Blood Count	4 mL	24 hours	Haematology
35	Urine - Random	Galactitol	5 mL	28 days	Clinical Biochemistry
20	Whole Blood	Galactokinase	1 mL	14 days	Clinical Biochemistry
20	Whole Blood	Galactosaemia screen	1 mL	7 days	Clinical Biochemistry
20	Whole Blood	Galactose-1-phosphate	0.5 mL	28 days	Clinical Biochemistry
20	Whole Blood	Galactose-1-phosphate uridyl transferase (quantitative)	1 mL	28 days	Clinical Biochemistry
24	Serum	Gamma GT	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Ganciclovir		<3 days	Antimicrobial Reference Laboratory
24	Serum	Ganglioside Antibodies	2 mL	21 working days	Immunology
24	Serum	Gastric Parietal Cell Antibody	2 mL	4 working days	Immunology
14	Plasma	Gastrin	5 mL	28 days	Clinical Biochemistry
24	Serum	GBM Antibody	2 mL	7 working days	Immunology
24	Serum	Gentamicin		<1 day	Antimicrobial Reference Laboratory
14	Whole Blood	Gilbert's Syndrome DNA Test	4 mL	2 weeks	Clinical Biochemistry
14	Plasma	Glucagon	5 mL	28 days	Clinical Biochemistry
17	CSF	Glucose	2 mL	4 hours	Clinical Biochemistry
17	Fluid	Glucose	2 mL	3 days	Clinical Biochemistry
24	Serum	Glucose (inpatients only)	5 mL	4 hours	Clinical Biochemistry
17	Plasma	Glucose (outpatients/General practice)	2 mL	1 day	Clinical Biochemistry
14	Whole Blood	Glucose 6 Phosphate Dehydrogenase	4 mL	5 working days, 10 working days if sent to referral laboratory for quantitative testing	Haematology
17	Plasma	Glucose tolerance test	2 mL	8 hours	Clinical Biochemistry
17	Plasma	Glucose tolerance test in Pregnancy	2 mL	1 day	Clinical Biochemistry
34	CSF	Glycine	1 mL	14 days	Clinical Biochemistry
16	Whole Blood	Group and Hold	4 mL	24 hours	Blood Transfusion
24	Serum	Growth Hormone	5 mL	7 days	Clinical Biochemistry
14	Plasma	Gut Hormones	10 mL	28 days	Clinical Biochemistry
11	Faeces	H.pylori	3 spoons	6 days	Microbiology
14	Whole Blood	Haematocrit	4 mL	24 hours	Haematology
14	Whole Blood	Haemoglobin	4 mL	24 hours	Haematology
14	Whole Blood	Haemoglobinopathy screen	4 mL	3 days	Haematology
34	Urine - Random and Bone Marrow	Haemosiderin	2 mL	7 days	Haematology
24	Serum	Haptoglobin	5 mL	7 working days	Immunology
14	Whole Blood	HbA1c	4 mL	3 working days	Haematology
34	CSF	hCG	2 mL	21 days	Clinical Biochemistry
24	Serum	hCG	5 mL	1 day (4 hours for urgent requests)	Clinical Biochemistry
	See Notes	hCG (Molar)			Clinical Biochemistry
24	Serum	HDL Cholesterol	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Clotted blood sample	Helicobacter pylori antibodies IgG	150µL	3 days	Virology
24	Clotted blood samples	Hepatitis A IgM and IgG	500µL	3 days	Virology
14	EDTA Blood sample	Hepatitis B (quantitative) Molecular assay	1mL	5 days	Virology
24	Clotted blood samples	Hepatitis B Surface Antibody Anti-HBs (Quantitative)	500µL	3 days	Virology
24	Clotted blood samples	Hepatitis B Surface Antigen (HBsAG) and confirmation antibodies	500µL	3 days - Screen 7 days - Confirmations	Virology
14	EDTA Blood sample	Hepatitis C (genotype) PCR (In house)	200µl	14 days	Virology
14	EDTA Blood sample	Hepatitis C (quantitative) PCR (In house)	1mL	5 days	Virology
24	Clotted blood samples	Hepatitis C antibody Total antibody screening & confirmation testing	500µL	3 days - Screen 7 days - Confirmations	Virology
24	Clotted blood samples	Hepatitis E IgM & IgG	100µL	7 days	Virology
24	Clotted blood samples	Hepatits B core antibody	500µL	3 days	Virology
43	Vesicle Swab	Herpes simplex HSV 1 and 2 PCR (In house)	500µl		Virology
43	Swab (eye)	Herpes simplex HSV 1 and 2 PCR (In house)	500µl	3 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Herpes Simplex HSV 1 and 2 PCR (In house)	500µL	3 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Herpes Simplex HSV 1 and 2 PCR (In house)	500µL	3 days	Virology
34	CSF	Herpes Simplex HSV 1 and 2 PCR (In house)	200µl	3 days	Virology
24	Clotted blood samples	Herpes Simplex HSV 1 and 2 specific serology IgG	150µL	3 days	Virology
14	EDTA blood sample	Herpes Simplex HSV 1and 2 PCR (In house)	450µl	3 days	Virology
14	EDTA (whole blood)	HGA - HFE Gene Analysis	1-5 ml		Genetics (Exeter lab)
14	EDTA Blood sample	HHV6 - Blood PCR (In house)	450µl	3 days	Virology
34	CSF	HHV6 - CSF PCR	450µl	3 days	Virology
24	Serum	Histone antibodies	2 mL	21 working days	Immunology
24	Clotted blood	HIT		1 day for urgent requests otherwise 5 days.	Haematology
14	EDTA Blood sample	HIV (quantitative) Molecular assay	1mL	7 days	Virology
24	Clotted blood samples	HIV 1 and 2 angtigen/antibody Total antibody/antigen	500µL	3 days - Screen 7 days confirmations	Virology
24	Clotted blood samples	HIV 1 and 2 antigen/antibody Confirmation	500µL	7 days - Confirmations	Virology
24	Serum	HLA antibody screen	2 mL	14 working days	Immunology
15	Whole Blood	HLA type (DR,DQ,DP)Class II	8 mL	28 working days	Immunology
15	Whole Blood	HLA type(A,B,C)Class I	8 mL	28 working days	Immunology
14	Whole Blood	HLA-A29	3 mL	14 working days	Immunology
14	Whole Blood	HLA-B27	3 mL	14 working days	Immunology
14	Whole Blood	HLA-B51(5)	3 mL	14 working days	Immunology
14	Whole Blood	HLA-B57(B*57:01)	3 mL	14 working days	Immunology
14	Whole Blood	HLA-DQ2+DQ8(3)	3 mL	14 working days	Immunology
14	Whole Blood	HLA-DR15(2) DQ6(DQB1*06:02)	3 mL	14 working days	Immunology
14	Plasma	Homocysteine (Total)	2 mL	7 days	Clinical Biochemistry
24	Clotted blood samples	HTLV antibody Total Antibody screening	500µL	3 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Human metapneumovirus Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Human metapneumovirus Molecular assay (NAAT)	500µL	2 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Human metapneumovirus Molecular assay (NAAT)	500µL	2 days	Virology
35	Urine - Random	HVA	5 mL	7 days	Clinical Biochemistry
24	Serum	IgE	2 mL	7 working days	Immunology
24	Serum	IGF-1	5 mL	14 days	Clinical Biochemistry
24	Serum	IGFBP-3	5 mL	14 days	Clinical Biochemistry
24	Serum	IgG Subclasses	2 mL	7 working days	Immunology
14	Whole Blood	Immunodeficiency (Immunophenotyping)	3 mL	2 working days	Immunology
		Immunodeficiency Investigations			Immunology
24	Serum	Immunoglobulins	2 mL	3 working days	Immunology
34	Vomit	Infection screen - Virology			Microbiology
	Various	Infection screen Carbapenemase screen (rectal swab)		3 days	Microbiology
	Various	Infection screen MRC Screening (Burns)		3 days	Microbiology
	Various	Infection screen MRSA Screen		3 days	Microbiology
	Various	Infection screen MSSA Screening (Renal/ Spinal)		3 days	Microbiology
	Various	Infection screen Pseudomonas Screening (NICU)		3 days	Microbiology
14	Plasma	Infectious Mononucleosis	3 mL	1 day	Haematology
34	Nasopharayngeal aspirates (NPAs)	Influenza A Virus Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Influenza A Virus Molecular assay (NAAT)	500µL	2 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Influenza A virus Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Influenza B Virus Molecular assay (NAAT)	500µL	2 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Influenza B virus Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Influenza B Virus Molecular assay (NAAT)	500µL	2 days	Virology
13	Whole Blood	INR	2.7 mL	24 hours	Haematology
24	Serum	Insulin and C-peptide	5 mL	14 days	Clinical Biochemistry
24	Serum	Intrinsic Factor Antibodies	5 mL	10 days	Clinical Biochemistry
24	Serum	Iohexol GFR	2ml	7 days	Clinical Biochemistry
24	Serum	Iron	5 mL	<4 hours	Clinical Biochemistry
24	Serum	Iron and Transferrin Saturation	5 mL	1 day	Clinical Biochemistry
24	Serum	Isavuconazole		<3 days	Antimicrobial Reference Laboratory
14	Whole Blood	Isoelectric focusing for determining Abnormal Haemoglobins		14 days	Haematology
17	Whole Blood Collected in Fluoride Oxalate (Fx) Tube	Isoniazid (+ N-Acetyl-Isoniazid)	1-2 ml	<3 days (from day of receipt)	Antimicrobial Reference Laboratory
		Issue of Albumin Solution			Blood Transfusion
		Issue of Fresh Frozen Plasma			Blood Transfusion
		Issue of Platelets			Blood Transfusion
24	Serum	Itraconazole		<3 days	Antimicrobial Reference Laboratory
35	Urine - Random	Ketones	5 mL		Clinical Biochemistry
17	CSF	Lactate	2 mL	4 hours	Clinical Biochemistry
17	Plasma	Lactate (Laboratory analysis)	2 mL	4 hours	Clinical Biochemistry
18	Whole Blood	Lactate (Point of Care Testing)			Clinical Biochemistry
14	Plasma	Lamotrigine	5 mL	1 - 2 weeks	Clinical Biochemistry
24	Serum	LDH	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Fluid	LDH	2 mL	3 days	Clinical Biochemistry
34	CSF	LDH	0.5 mL	1 day	Clinical Biochemistry
24	Serum	LDL Cholesterol	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
14	Whole Blood	Lead	1 mL	7 days	Clinical Biochemistry
35	Urine - Random	Lead	5 mL	7 days	Clinical Biochemistry
28	Urine	Legionella antigen	3 mL	1 day	Microbiology
14	Whole Blood	Leukaemial/Lymphoma Immunophenotyping	3 mL	1 working day	Immunology
34	Other fluids	Leukaemial/Lymphoma Immunophenotyping	see notes	1 working day	Immunology
34	Lymph Nodes	Leukaemial/Lymphoma Immunophenotyping	see notes	1 working day	Immunology
14	Bone Marrow	Leukaemial/Lymphoma Immunophenotyping	0.5 mL	1 working day	Immunology
20	Whole Blood	Leukocyte Cystine	4 mL	28 days	Clinical Biochemistry
24	Serum	Levofloxacin		<3 days	Antimicrobial Reference Laboratory
24	Serum	LFT	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	LH	5 mL	1 day	Clinical Biochemistry
24	Serum	Linezolid		<3 days	Antimicrobial Reference Laboratory
24	Serum	Lipase	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Lipid Profile	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Lipoprotein (a)	5 mL	21 days	Clinical Biochemistry
24	Serum	Lipoprotein Electrophoresis	5 mL	14 days	Clinical Biochemistry
24	Serum	Lithium	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Liver Kidney Microsomal	2 mL	4 working days	Immunology
24	Serum	Liver line blot	2ml	2 weeks	Immunology
34	Bronchoalveolar lavage (BALs) and Sputums	LRTI investigations for Respiratory viruses Molecular assay (NAAT)	500µL	2 days	Virology
13	Whole Blood	Lupus Anticoagulant	3 full tubes	10 days	Haematology
20	Whole Blood	Lymphocyte Function Tests	7 mL	7 working days	Immunology
24	Serum	Macro CK	5 mL	4-6 weeks	Clinical Biochemistry
24	Serum	Macroprolactin	5 mL	14 days	Clinical Biochemistry
24	Serum	Macroprolactin confirmation	2 mL	3 weeks	Clinical Biochemistry
4	Urine - 24 hour	Magnesium		3 days	Clinical Biochemistry
24	Serum	Magnesium	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
14	Whole Blood	Malaria Parasites	4 mL	24 hours, 7 working days if sent to Referral Laboratory for confirmation	Haematology
10	Whole Blood	Manganese	5 mL	14 days	Clinical Biochemistry
24	Serum	Mannose Binding Lectin	2 mL	14 working days	Immunology
14	Whole Blood	Manual Blood Film including White Cell differential		24 hours	Haematology
24	Serum	Mast Cell Tryptase	2 mL	9 working days	Immunology
14	Whole Blood	MCH	4 mL	24 hours	Haematology
14	Whole Blood	MCHC	4 mL	24 hours	Haematology
8	Whole Blood	MCS (Blood Culture)	7 mL	5 days	Microbiology
34	Bone	MCS (Bone)		7 days	Microbiology
34	CSF	MCS (Cerebrospinal fluid)	3 mL	5 days	Microbiology
7	Swab	MCS (Ear / left / right)		5 days	Microbiology
7	Swab	MCS (Eye / left / right)		4 days	Microbiology
11	Faeces	MCS (faeces)	3 spoons	4 days	Microbiology
34	Fluid	MCS (Fluids)	3 mL	10 days	Microbiology
7	Swab	MCS (Genital Swabs)		4 days	Microbiology
7	Mouth	MCS (Mouth Swab)		3 days	Microbiology
7	Nose	MCS (Nose swab)		3 days	Microbiology
7	Penile	MCS (Penile swab)		3 days	Microbiology
34	Peritoneal fluid	MCS (Peritoneal Dialysis fluid)		6 days	Microbiology
34	Pus	MCS (Pus)		10 days	Microbiology
7	Swab	MCS (Skin swab)		5 days	Microbiology
34	Sputum	MCS (Sputum)		4 days	Microbiology
7	Swab	MCS (Throat swab)		3 days	Microbiology
34	Tip	MCS (Tip)		3 days	Microbiology
34	Tissue	MCS (Tissues)		10 days	Microbiology
34	Trachael aspirate	MCS (Trachael aspirate)		4 days	Microbiology
21	Swab	MCS (Urethral swab)		3 days	Microbiology
28	Urine	MCS (Urine Catheter)	11 mL	3 days	Microbiology
28	Urine	MCS (Urine)	11 mL	3 days	Microbiology
14	Whole Blood	MCV	4 mL	24 hours	Haematology
14	EDTA Blood sample	Measles PCR (In house)	450µl	3 days	Virology
	Clotted blood samples	Measles IgG
24	Clotted blood samples	Measles IgG and IgM	150µL	3 days	Virology
43	Swabs (nose and throat)	Measles PCR PCR (In house)	500µL	3 days	Virology
35	Urine - Random	Mercury	1 mL	14 days	Clinical Biochemistry
14	Whole Blood	Mercury	1 mL	14 days	Clinical Biochemistry
24	Serum	Meropenem		<3 days	Antimicrobial Reference Laboratory
43	Swabs (nose and throat)	MERS-CoV Molecular assay (NAAT)	500µL	1 day	Virology
24	Serum	Mesothelin	2 ml	16 working days	Immunology
4	Urine - 24 hour	Metadrenalines		7 days	Clinical Biochemistry
14	Whole Blood	Metadrenalines (Plasma)	4 mL	2 weeks	Clinical Biochemistry
17	Plasma	Methanol	5 mL	1 day	Clinical Biochemistry
34	Fluids - e.g. CSF, vitreous	Microscopy and Culture	200µL	Microscopy mean 1 day	Mycology Reference Laboratory
34	Bronchoalveolar lavage (BALs) and Sputums	Microscopy and Culture	300µL	Microscopy mean 1 day	Mycology Reference Laboratory
34	Tissue - e.g. lung biopsy, corneal scraping	Microscopy and Culture		Microscopy mean 1 day	Mycology Reference Laboratory
34	Fluids - e.g. CSF, vitreous	Microscopy and Culture	200µL	Microscopy mean 1 day	Mycology Reference Laboratory
34	Tissue - e.g. lung biopsy, corneal scraping	Microscopy and Culture		Microscopy mean 1 day	Mycology Reference Laboratory
34	Bronchoalveolar lavage (BALs) and Sputums	Microscopy and Culture	300µL	Microscopy mean 1 day	Mycology Reference Laboratory
		Microscopy for Crystals			Cytology
24	Serum	Mitochondrial antibody	2 mL	4 working days	Immunology
24	Serum	MMA	2 mL	20 days	Clinical Biochemistry
35	Urine - Random	MMA	5 mL	28 days	Clinical Biochemistry
24	Serum	Moxifloxacin		<3 days	Antimicrobial Reference Laboratory
14	Bone Marrow	MRD Flow Cytometry	0.5 mL	1 working day	Immunology
7	Swab	MSC (Wound Swab)		5 days	Microbiology
35	Urine - Random	Mucopolysaccharide screen	5 mL	14 days	Clinical Biochemistry
	Clotted blood samples	Mumps IgG
24	Clotted blood samples	Mumps IgM	150µL	3 days	Virology
23	Hair	Mycology Hair		15 days	Microbiology
23	Nail clippings	Mycology Nail		15 days	Microbiology
23	Skin	Mycology Skin Scrapings		15 days	Microbiology
14	Whole Blood	Mycophenolate	4 mL	14 days	Clinical Biochemistry
43	Swabs (nose and throat)	Mycoplasma pneumoniae Molecular assay (NAAT) Biofire Film array	500µL	2 days	Virology
		Myoglobin - Urine
24	Serum	Myositis line blot	2ml	2 weeks	Immunology
34	Urine - Random	NAG: Creatinine ratio	1 mL	4 weeks	Clinical Biochemistry
1	Aptima Urine	Neisseria gonorrhoeae NAAT	1 tube	3 days	Virology
1	Aptima Swab	Neisseria gonorrhoeae NAAT	1 tube	3 days	Virology
24	Serum	Neuron Specific Enolase	5 mL	3 days	Clinical Biochemistry
24	Serum	Neuronal Antibody (Purkinje)	2 mL	14 working days	Immunology
14	Plasma	Neurotensin	5 mL	28 days	Clinical Biochemistry
32	CSF	Neurotransmitters	see notes	4 - 6 weeks	Clinical Biochemistry
20	Whole Blood	Neutrophil Function Tests	7 mL	2 working days	Immunology
9	Blood spot	Newborn Screen	4x Spots		Clinical Biochemistry
34	Vomit	Norovirus PCR	pea sized amount	2 days	Virology
11	Faecal sample	Norovirus PCR (In house)	pea sized amount	2 days	Virology
24	Serum	NT-Pro-BNP	5 mL	1 day	Clinical Biochemistry
24	Serum	Oestradiol	5 mL	1 day	Clinical Biochemistry
25	Serum and CSF	Oligoclonal bands	see notes	5 working days	Immunology
34	CSF	Orexin	2mL	42 days	Clinical Biochemistry
35	Urine - Random	Organic acids	5 mL	14 days	Clinical Biochemistry
35	Urine - Random	Orotic acid	5 mL	14 days	Clinical Biochemistry
35	Urine - Random	Osmolality	5 mL	Hospital patients 8 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Osmolality	5 mL	Hospital patients 8 hours; GP patients 24 hours	Clinical Biochemistry
11	Faeces/ Urine	Ova Cysts & Parasites Faeces/ Urine - Concentrate	see notes	3 days	Microbiology
24	Serum	Ovarian Antibody	2 mL	21 working days	Immunology
14	Plasma	Oxalate	5 mL	14 days	Clinical Biochemistry
4	Urine - 24 hour	Oxalate		7 days	Clinical Biochemistry
24	Serum	Pancreatic Islet Cell Antibody	2 mL	14 working days	Immunology
14	Plasma	Pancreatic Polypeptide	5 mL	28 days	Clinical Biochemistry
24	Serum	Paracetamol	5 mL	4 hours	Clinical Biochemistry
34	Bronchoalveolar lavage (BALs) and Sputums	Paraflu 1 Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Paraflu 1 Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Paraflu 2 Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Paraflu 2 Molecular assay (NAAT)	500µL	2 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Paraflu 2 Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Paraflu 3 Molecular assay (NAAT)	500µL	2 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Paraflu 3 Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Paraflu 3 Molecular assay (NAAT)	500µL	2 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Paraflu 4 Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Paraflu 4 Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Paraflu 4 Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Paraflu1 Molecular assay (NAAT)	500µL	2 days	Virology
24	Serum	Paraneoplastic line blot	2ml	2 weeks	Immunology
35	Urine - Random	Paraquat	5 mL	2 days	Clinical Biochemistry
34	Amniotic fluid	Parvovirus PCR (In house)	200µl	3 days	Virology
14	EDTA Blood sample	Parvovirus PCR (In house)	450µl	3 days	Virology
24	Clotted blood samples	Parvovirus IgG and IgM	150µL	3 days	Virology
22	Swab	Pernasal swab (Bordatella/Whooping cough)		6 days	Microbiology
24	Serum	Phenobarbitone	5 mL	1 day	Clinical Biochemistry
9	Blood spot	Phenylalanine	2x Spots	5 days	Clinical Biochemistry
24	Serum	Phenytoin	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Phosphate	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
4	Urine - 24 hour	Phosphate		3 days	Clinical Biochemistry
20	Plasma	Phytanic acid	2 mL	21 days	Clinical Biochemistry
24	Serum	PIIINP	2 mL	4 weeks	Clinical Biochemistry
13	Plasma	PIVKA II		10 days	Haematology
14	Whole Blood	Plasma Viscosity	4 mL	3 days	Haematology
14	Whole Blood	Platelet count (EDTA & Citrate)	4 mL	24 hours	Haematology
28	Urine	Pneumococcal antigen	3 mL	1 day	Microbiology
14	See Notes	PNH Immunophenotyping	3 mL	4 working days	Immunology
14	Whole Blood	Porphyrin Enzyme/DNA analysis	4 mL	28 days	Clinical Biochemistry
11	Faeces	Porphyrins	5 g	15 days	Clinical Biochemistry
14	Whole Blood	Porphyrins	5-10 mL	15 days	Clinical Biochemistry
34	Urine - Random	Porphyrins	10 mL	15 days	Clinical Biochemistry
24	Serum	Posaconazole		<3 days	Antimicrobial Reference Laboratory
5	Urine	Potassium		1 day	Clinical Biochemistry
24	Serum	Potassium	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Prednisolone	5 mL	21 days	Clinical Biochemistry
24	Serum	Progesterone	5 mL	1 day	Clinical Biochemistry
24	Serum	Prolactin	5 mL	1 day	Clinical Biochemistry
34	CSF	Protein	2 mL	4 hours	Clinical Biochemistry
35	Urine - Random	Protein	5 mL	1 day	Clinical Biochemistry
24	Fluid	Protein	5 mL	3 days	Clinical Biochemistry
24	Serum	Protein	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
34	Dialysate	Protein	5 mL	8 hours	Clinical Biochemistry
13	Whole Blood	Protein C	3 full tubes	21 days	Haematology
13	Whole Blood	Protein S	3 full tubes	21 days	Haematology
13	Whole Blood	Prothrombin Gene Mutation	3 full tubes	1 month	Haematology
24	Serum	PSA	5 mL	1 day	Clinical Biochemistry
14	Plasma	PTH	5 mL	1 day	Clinical Biochemistry
32		PTH-related peptide			Clinical Biochemistry
35	Urine - Random	Purine / Pyrimidine Screen	5 mL	21 days	Clinical Biochemistry
14	Plasma	Pyruvate Kinase		21 days	Haematology
32	See Notes	Quantiferon		7 working days	Immunology
24	Serum	RAST	2 mL		Immunology
14	Whole Blood	Red Blood Count	4 mL	24 hours	Haematology
		Red cell Transketolase
14	Plasma	Renin	5 mL	28 days	Clinical Biochemistry
34	Nasopharayngeal aspirates (NPAs)	Respiratory syncytial virus Molecular assay (NAAT)	500µL	2 days	Virology
34	Bronchoalveolar lavage (BALs) and Sputums	Respiratory Syncytial Virus Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Respiratory Syncytial Virus Molecular assay (NAAT)	500µL	2 days	Virology
14	Whole Blood	Reticulocytes	4 mL	24 hours	Haematology
34	Urine - Random	Retinol Binding Protein	20 mL	14 days	Clinical Biochemistry
24	Serum	Rheumatoid Factor	2 mL	3 working days	Immunology
34	Bronchoalveolar lavage (BALs) and Sputums	Rhinovirus Molecular assay (NAAT)	500µL	2 days	Virology
34	Swabs (nose and throat)	Rhinovirus Molecular assay (NAAT)	500µL	2 days	Virology
34	Nasopharayngeal aspirates (NPAs)	Rhinoviurs Molecular assay (NAAT)	500µL	2 days	Virology
24	Serum	Rifabutin		<3 days	Antimicrobial Reference Laboratory
24	Serum	Rifampicin		<3 days	Antimicrobial Reference Laboratory
13	Whole Blood	Ristocetin Co Factor.	2.7 mL	21 days	Haematology
14	Whole blood	Rituximab	3ml	2 working days	Immunology
11	Faecal sample	Rotavirus PCR (In house)	pea sized amount	2 days	Virology
24	Clotted blood samples	Rubella IgG and IgM	150µL	3 days	Virology
24	Serum	Salicylate	5 mL	4 hours	Clinical Biochemistry
11	Faecal sample	Sapovirus PCR (In house)	pea sized amount	2 days	Virology
24	Serum	Selenium	5 mL	7 days	Clinical Biochemistry
5	Urine - 24 hour	Selenium		14 days	Clinical Biochemistry
24	Serum	Serum Electrophoresis	2 mL	5 working days	Immunology
24	Serum	SHBG	5 mL	7 days	Clinical Biochemistry
24	Serum	Short Synacthen Test	5 mL	1 day	Clinical Biochemistry
35	Urine - Random	Sialic acid	5 mL	14 days	Clinical Biochemistry
14	Whole Blood	Sickle Cell Screen	4 mL	24 hours (confirmatory testing); 1 hour (urgent and request phoned through to lab)	Haematology
14	Whole Blood	Sirolimus	4 mL	3 days	Clinical Biochemistry
24	Serum	Skeletal Muscle Antibody	2 mL	21 working days	Immunology
24	Serum	Skin Antibody (Pemphigus/Pemphigoid)	2 mL	14 working days	Immunology
24	Serum	Smooth Muscle Antibody	2 mL	4 working days	Immunology
35	Urine - Random	Sodium	5 mL	1 day	Clinical Biochemistry
24	Serum	Sodium	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
14	Plasma	Somatostatin	5 mL	28 days	Clinical Biochemistry
5	Urine - 24 hour	Steroid Profile (urine)		14 days	Clinical Biochemistry
34	Stone	Stones - Renal Calculi		14 days	Clinical Biochemistry
24	Clotted blood sample	Streptococcus serology (antistreptolysin O) ASO	150µL	6 days	Virology
24	Serum	Streptomycin		<3 days	Antimicrobial Reference Laboratory
24	Serum	Sulphamethoxazole in Co-trimoxazole		<3 days	Antimicrobial Reference Laboratory
24	Serum	Sulphonylurea	5 mL	28 days	Clinical Biochemistry
24	Clotted blood samples	Syphilis RPR	500µL	7 days - Confirmations	Virology
24	Clotted blood samples	Syphilis PCR Confirmation testing - IgG and IgM	500µL	7 days - Confirmations	Virology
24	Clotted blood samples	Syphilis serology Total Antibody - Screening	500µL	3 days - Screen	Virology
24	Serum	Systemic Sclerosis line blot	2ml	2 weeks	Immunology
14	Whole Blood	T Cell Subsets (see CD4 Counts)	3 mL	1 working day	Immunology
14	Whole Blood	Tacrolimus	4 mL	3 days	Clinical Biochemistry
39	Whole Blood	TB (Mycobacterium Blood)	7 mL	63 days	Microbiology
6	Urine	TB (Mycobacterium Urine)	250 mL	63 days	Microbiology
34	Sputum/ Pus/ Tissue, NOT Swabs	TB (Mycobacterium) samples (other than Blood/ Urine)		63 days	Microbiology
24	Serum	Teicoplanin		<2 days	Antimicrobial Reference Laboratory
24	Serum	Testis Antibody	2 mL	21 working days	Immunology
24	Serum	Testosterone	5 mL	1 day	Clinical Biochemistry
24	Serum	Testosterone confirmation	1 mL	14 days	Clinical Biochemistry
24	Serum	Tetanus antibodies	2 mL	28 working days	Immunology
24	Serum	TFT confirmation	1 mL	3 weeks	Clinical Biochemistry
24	Serum	Theophylline	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
14	Whole Blood	Thiamine	4 mL	28 days	Clinical Biochemistry
14	Whole Blood	Thiopurine Metabolites	4 mL	21 days	Clinical Biochemistry
14	Whole Blood	Thiopurine methyl transferase	4 mL	14 days	Clinical Biochemistry
13	Whole Blood	Thrombophilia Screen	3 full tubes	21 days	Haematology
24	Serum	Thyroglobulin	5 mL	14 days	Clinical Biochemistry
24	Serum	Thyroid Function Tests	5 mL	1 day	Clinical Biochemistry
24	Serum	Thyroid Peroxidase Antibody	2 mL	7 days	Clinical Biochemistry
24	Serum	Tissue Transglutaminase Antibody	2 mL	7 working days	Immunology
24	Serum	Tobramycin		<1 day	Antimicrobial Reference Laboratory
24	Serum	Total Bile Acids	5 mL	1 day	Clinical Biochemistry
24	Serum	Total Protein	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Clotted blood samples	Toxoplasma Total antibody & IgM	500µL	3 days	Virology
24	Serum	Transferrin Glycoforms	5 mL	14 days	Clinical Biochemistry
16	Whole Blood	Transfusion Reaction	6ml	24 hours	Blood Transfusion
1	Aptima Swab	Trichomonas vaginalis NAAT	1 tube	3 days	Virology
24	Serum	Triglycerides	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Trimethoprim in Co-trimoxazole		<3 days	Antimicrobial Reference Laboratory
4	Urine - 24 hour	Trimethylamine		8 weeks	Clinical Biochemistry
24	Serum	Troponin I	5 mL	4 hours	Clinical Biochemistry
9	Blood spot	TSH	2x Spots	7 days	Clinical Biochemistry
24	Serum	TSH Receptor Antibodies	2ml	8 working days	Immunology
24	Serum	U/E (Urea and Electrolytes)	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
24	Serum	Urate	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
3	Urine - 24 hour	Urate		1 day	Clinical Biochemistry
24	Serum	Urea	5 mL	Hospital patients 4 hours; GP patients 24 hours	Clinical Biochemistry
5	Urine	Urine Electrolytes		1 day	Clinical Biochemistry
34	Urine - Random	Urine Electrophoresis	1 mL	5 working days	Immunology
28	Urine	Urine for MCS	11 mL	3 days	Microbiology
5	Urine - 24 hour	Urine Free Cortisol		2-3 weeks	Clinical Biochemistry
		Urine reducing substances
5	Urine	Urine Urea		1 day	Clinical Biochemistry
5	Urine - 24 hour	Urine volume		2 days	Clinical Biochemistry
24	Serum	Valproate	5 mL	7 days	Clinical Biochemistry
24	Serum	Vancomycin		<1 day	Antimicrobial Reference Laboratory
34	Lesion/vesicle fluid	Varicella zoster PCR (In house)	500µl	3 days	Virology
14	EDTA Blood sample	Varicella zoster PCR (In house)	450µl	3 days	Virology
43	Vesicle Swab	Varicella zoster PCR (In house)	500µl	3 days	Virology
34	CSF	Varicella Zoster PCR (In house)	200µl	3 days	Virology
24	Clotted blood samples	Varicella zoster IgG	150µL	3 days	Virology
24	Serum	VEGF	2 mL	21 days	Clinical Biochemistry
20	Plasma	Very long chain fatty acids	2 mL	21 days	Clinical Biochemistry
14	Plasma	VIP	5 mL	28 days	Clinical Biochemistry
	Whole Blood	Viral Haemorrhagic Fever	7 mL	1 day	Microbiology
11	Faeces	Virology (PHE) Faeces	3 spoons	10 days	Microbiology
	See link	Virology/ Serology (PHE/ REF)		10 days	Microbiology
24	Serum	Vitamin A	2 mL	14 days	Clinical Biochemistry
14	Whole Blood	Vitamin B1	4 mL	2 weeks	Clinical Biochemistry
24	Serum	Vitamin B12	5 mL	3 days	Clinical Biochemistry
14	Whole blood	Vitamin B6	4 mL	3 weeks	Clinical Biochemistry
20	Plasma	Vitamin C	2 mL	4 weeks	Clinical Biochemistry
24	Serum	Vitamin D	5 mL	7 days	Clinical Biochemistry
24	Serum	Vitamin E	2 mL	14 days	Clinical Biochemistry
35	Urine - Random	VMA	5 mL	7 days	Clinical Biochemistry
13	Whole Blood	Von Willebrand's Disease	2.7 mL	3 weeks	Haematology
	Serum	Voriconazole		<3 days	Antimicrobial Reference Laboratory
13	Plasma	Warfarin levels		10 days	Haematology
27	Serum and Urine	Water Deprivation Test	see notes	1 day	Clinical Biochemistry
14	Whole Blood	White Blood Count	4 mL	24 hours	Haematology
14	Whole Blood	White Cell Enzymes	5 mL	3-4 weeks	Clinical Biochemistry
34	CSF	Xanthochromia	1 mL	4 hours	Clinical Biochemistry
10	Plasma	Zinc	5 mL	7 days	Clinical Biochemistry
		Zinc Protoporphyrin