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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

Additional Codes

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

 

Result Component(s)

Reporting Name Epic Code Atlas Code Mayo Access ID LOINC Code
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 Heparin (green top) Plasma On Ice 3 mL 0.5 mL 0.2 mL 3 hrs
Lithium Heparin (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.

Test Schedule / Analytical Time / Test Priority

Daily / 24 Hours / Available STAT

Method

Colorimetric

CPT(s)

Description CPT Code
Ammonia 82140

 

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