Test Name
AMMONIA
Aliases
-
Abbreviations
NH3
Test Classification
INDIVIDUAL
Department
ROUTINE CHEMISTRY
Sub Department
-
TAT Category
BUSINESS (WORKING) TIME
Estimated TAT
96
TAT Units
HOURS
Test Requirements
Collect in EDTA (purple top) vacutainer, preferably pre-chilled & immediately place in ice slurry. Avoid fist clenching during collection. Centrifuge and separate plasma within 15 minutes of collection, label separation aliquot and freeze immediately.
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Frozen
STABILITY IN SERUM/PLASMA
Room Temperature: 15 minutes at 20-25°C │ Refrigerated: 2 hours at 2-8°C │ Frozen: 3 weeks at -20°C
Clinical Utility
Evaluation of hepatic encephalopathy, severe liver disease and urea cycle disorders.
Last Review
26th Feb 2026