ALANINE AMINOTRANSFERASE

Mnemonic

SGPT

Synonym

ALT - Glutamate Pyruvate Transaminase - GPT - Alanine Transaminase - SGPT

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) top tube; also acceptable: Plasma, one 3.0 mL mint green (PST) top tube

Handling

Allow serum to clot completely at room temperature. Serum or plasma separated from cells before transport is preferred.

Preferred Volume

0.5 mL

Minimum Volume

0.2 mL

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient (15-25°C): 24 hours; Refrigerated (2-8°C): 3 days; Frozen (at or below -20°C): 1 month.

Testing Information

Performed

7 days/week

Method

Enzymatic

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

0-31 U/L

CPT Codes

84460

Last Updated: Thursday, January 5, 2017 03:41:55 AM