ALT




Test Mnemonic

ALT

CPT Codes

  • 84460 - QTY (1)

LOINC ®

1742-6

Aliases

  • Alanine Aminotransferase
  • SGPT

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLPlasmaLithium heparin PST (Lt. Green) Centrifuge and refrigerate.Submit in original tube or aliquot specimen into CCL aliquot tube

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumSST (Gold) Centrifuge and refrigerate. 

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.4 mL     

Stability

Environmental Condition Description
Ambient3 days
Refrigerated7 days
Frozen>7 days

Days Performed

Sun - Sat

Turnaround Time

8 hours

Methodology

Name Description
Enzymatic 

Reference Range

ALT
Sex Age From Age To Type Range Range Unit
Male  Years99 YearsNormal10 - 54U/L
Female  Years99 YearsNormal7 - 38U/L

Clinical Info

For patient population 0-17 years of age: Reference ranges for this patient’s age group have not been established. These reference ranges reflect verified or established ranges for the adult population. Interpret these ranges with caution using the clinical context and additional reference resources.