ALT (SGPT)

Test Code: TD_CH163
CPT Code(s): 84460

$8

Test Details

Alternative Name(s)

Alanine amino transferase
Glutamic pyruvic transaminase

Test Includes

ALT

Methodology

NADH

Rejection Criteria

Gross hemolysis

Reference Range(s)

0-55 U/L

Specimen Requirements

Preferred Specimen

Serum Separator Tube

Minimum Volume

0.25 mL serum

Sample Stability

3 days room temperature
7 days refrigerated
60 days frozen

Transport Temperature

Refrigerated

Collection Instructions

Allow sample to clot in an upright position for
at least 30 minutes, then centrifuge sample. Refrigerate.

Alternative Specimen

0.5 mL serum from a plain red top tube. Allow specimen to clot completely for 20 to 30 minutes prior to centrifugation. Centrifuge at 1,600 RCF for 10 minutes. Using a transfer pipette remove the serum and transfer to a transfer tube and clearly label as serum from a plain red top tube