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Order Code LAB1103 Ammonia, Plasma

Additional Codes

Test Name in EPIC

EPIC Test Code           

Mnemonic

RV AMMONIA

LAB1103

AMMON

 

Useful For

Diagnosis and treatment of severe liver disorders such as cirrhosis, hepatitis, and Reye’s syndrome.

Specimen Requirements

Special Note: Spin down within 30 minutes of draw. Promptly remove plasma from cells and freeze imediately for specimen transport from clinics. Avoid hemolysis.

 

Specimen Type: EDTA Plasma

Collection Container: EDTA, placed on wet ice immediately after venipuncture

Preferred: EDTA

Acceptable: EDTA

Specimen Volume: 1 mL 

Minimum Volume: 0.5 mL

Specimen Stability

Specimen Type Temperature Stability      
EDTA Plasma Ambient Not recommended
  Refrigerated 3 hours
  Frozen 24 hours

Reference Values

9-30 µmol/L

 

Critical values (automatic call-back)

  • High:  ≥100 µmol/L

Day(s) Test Set Up

Monday through Sunday

Performing Laboratory

Ridgeview Medical Center Laboratory

Methodology

Colorimetric

Test Classification and CPT Coding

82140