AST (SGOT)

Test Code: TD_CH162

CPT Code(s): 84450

$8

Test Details

Alternative Name(s)

Aspartate Aminotransferase

Test Includes

AST

Methodology

NADH

Rejection Criteria

Hemolysis

Reference Range(s)

5-34 U/L

Specimen Requirements

Preferred Specimen

Serum Separator Tube

Minimum Volume

0.5 mL serum

Sample Stability

4 days room temperature
1 week refrigerated
12 weeks 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