5-HIAA

Sample type: Urine - 24 hour

Test name: 5-HIAA a.k.a. 5-Hydroxy indole acetic acid, 5HIAA flushing

Condition / Indication: Carcinoid

Special precautions & notes: Please avoid foodstuffs rich in serotonin 48 hrs prior to collection (i.e. walnuts, bananas, kiwi fruit, avocado, pineapple, tomato and plum), See details in document below.

Reference range: <4 mmol/mol creatinine.

Container: 24 hour (Acetic acid - Brown container) ONLY suitable for 5HIAA analysis.

Ideal volume (mL): n/a

Referred outside NBT for analysis? Yes

Discipline: Clinical Biochemistry

Turnaround time: 7 days

www.nbt.nhs.uk/our-services/a-z-services/severn-pathology/24-hour-urine-collection

Referral location: Department of Clinical Biochemistry, Level 8, Bristol Royal Infirmary, Marlborough Street, Bristol, BS2 8HW