Test Directory

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, 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.

Additional Processing Details

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.

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

Minimum Sample Volume

Preferred volume 1mL

Pediatric Min. Volume (if applicable)

500 uL

Reference Range

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

Performing Lab

Incyte Diagnostics

LOINC Code(s)

1742-6