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HelpTest Code NH3 AMMONIA, PLASMA
Additional Codes
| Software | Test Code |
|---|---|
| Label Text | NH3 |
| EPIC | LAB47 |
Performing Laboratory
NorDx Laboratories
Useful For
An indicator of hepatocellular damage, and specifically of impending hepatic coma and terminal steps of cirrhosis
Method Name
Spectrophotometry (SP)
Reference Values
Male: 16 - 60 umol/L
Female: 11 - 51 umol/L
Days and Times Test Performed
Monday through Sunday
Report Available
1 Day
Available Stat
Specimen Type
Plasma
Preferred Container
Lavender Top Tube (EDTA)
Preferred Volume
Plasma: 1 (Lavender Top Tube (EDTA))
Minimum Volume
Plasma: 0.5 (Lavender Top Tube (EDTA))
Specimen Collection and Handling
1. Place specimen on wet ice immediately after collection.
2. Deliver sample to the laboratory immediately.
3. If not to be tested immediately, spin specimen and separate plasma from cells within 15 minutes of collection.
4. Send sample frozen on dry ice.
Specimen Stability Information
Specimen Type: Plasma
Frozen: 3 Days
Must be spun/separated within: 15 Minutes
Note: Transport on wet ice; Analysis performed immediately; Freeze plasma if testing performed >15 minutes
Add On Capable
Not Permitted
Advance Beneficiary Notice Requirements
No ABN Required
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 82140 | Ammonia, Quantitative |
Performing Laboratory Location
NorDx Laboratories
LOINC Code Information
16362-6
Clinical Significance
Very useful in the diagnosis and prognosis of Reye’s syndrome.