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Test Code LAB47 AMMONIA

Important Note

TESTING CANNOT BE ADDED ONTO PREVIOUSLY COLLECTED SPECIMENS

Plasma must be separated from cells within 15 minutes of collection.

*** Heelstick draws and all Capillary Specimens are NOT acceptable for analysis ***

Additional Codes

Orderable Codes:

Epic Code Atlas Code Mayo Access ID Order LOINC
LAB47 AMMON FAH281 16362-6

Result Component(s):

Reporting Name Epic Code Atlas Code Mayo Access ID Result LOINC
Ammonia 12301001851 AMON FAH283 16362-6
Glucose 12301001975 GLU FAH259 2345-7

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Lithium Hep (green top) Plasma On Ice 3 mL 0.5 mL 0.2 mL 3 hrs
Lithium Hep (green top) Plasma Frozen 3 mL 0.5 mL 0.2 mL 24 hrs

Plasma (lithium heparin) must be spun and separated from the cells within 15 minutes. Transport plasma to lab on ice. Test must be performed within 3 hours of collection. Any degree of hemolysis will cause rejection of specimen.

*** Heelstick draws and all Capillary Specimens are NOT acceptable for analysis ***

Test Schedule / Analytical Time / Test Priority

Daily / 24 Hours / Available STAT

Method

Colorimetric

Instrumentation

Ortho Vitros 7600

Reference Range

Age Sex Low High Units
0 - 1 month All   <80 µmol/L
1 month - 18 years All   <50 µmol/L
≥18 years All   <34 µmol/L

Section

Chemistry-1

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

CPT Code(s)

Description CPT Code
Ammonia 82140