Container: EDTA (Lavender top)

Sample type: Plasma

Test name: Ammonia

Condition / Indication: Encephalopathy

Special precautions & notes: Contact with laboratory is essential before taking specimen. Please send sample immediately packed in ice. Note: ice is available at Gate 8B, Gate 35 ED, Gate 37 ICU.

Reference range: less than 28 days: <100 umol/L, 29+ days (infants, children and adults): <50 umol/L. Guidelines for the investigation of Hyperammonaemia are available via:

Container: EDTA (Lavender top)

Alternative container: None.

Ideal volume (mL): 1 mL

Referred outside NBT for analysis? No

Discipline: Clinical Biochemistry

Section: Automated Laboratory

Turnaround time: 2 hours

Further information: Serum samples and those collected into any anticoagulant except EDTA are not suitable for analysis.