Laboratory Services

Alanine Aminotransferase (SGPT)

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Updated Test Information:

Test Description
Alanine Aminotransferase (SGPT)
Synonym(s)

ALT, SGPT, Glutamic Pyruvate Transaminase

Test ID
ALT
General Information

A liver function test, ALT is more sensitive for the detection of hepatocyte injury than for biliary obstruction. ALT is more specific for liver injury than AST (SGOT). Useful for hepatic cirrhosis, other liver disease. 

Specimen Type

Serum

Alternate Specimen Type

Red top tube, Li-heparin plasma, K2EDTA

Specimen Requirements

SST

Specimen Collection / Processing Instructions

SST - Separate serum or plasma from cells within 45 minutes of collection. If a Red top tube or Green top tube is used, transfer separated serum or plasma to a plastic transport tube.

Minimum Sample Volume

Preferred volume 1mL

Pediatric Min. Volume (if applicable)

500 uL

Stability

7 days at 15-25˚C
14 days at 2-8˚C
2 months at -20˚C

Methodology

Enzymatic

Estimated TAT

0-2 days

Testing Schedule

Monday-Saturday

CPT Code(s)

84460

Reference Range

Males: 0- 41 U/L
Females: 0- 33 U/L

Performing Lab

Incyte Diagnostics

LOINC Code(s)

1742-6