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
5 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