SGOT (AST)

Test Code

SGOT

Alias/See Also

AST, Aspartate Aminotransferase

Preferred Specimen

1.0 mL plasma (0.5 mL minimum)

Transport Container

PST (light mint green top). Red top and SST also acceptable

Specimen Stability

Room temperature: 3 days, Refrigerated: 7 days, Frozen: 1 month

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Grossly hemolyzed specimens are unacceptable.

Reference Range

Age	Female	Male
Adult (>19 years):	15-37 U/L	15-37 U/L
Pediatric:
0–7 days	20-93	26-98
8 – 30 days	20-69	16-67
1 – 3 months	16-61	16-60
4 – 6 months	16-60	16-62
7 – 11 months	16-60	16-52
1 – 4 years	16-57	16-57
5 – 6 years	10-47	10-47
7 – 11 years	5-36	10-36
12 – 15 years	5-26	10-36
16 – 19 years	0-26	10-41

Clinical Significance

Significant elevations of AST are found in diseases of the liver such as hepatitis, necrosis, jaundice, and cirrhosis. AST levels can be elevated even before clinical jaundice appears.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.