Feb 8, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry


AST/SGOT (AST) Chemistry Lab Test


Test Name: AST/SGOT

Health Link Test Code: AST

LIS Test Code: AST

CPT Code(s): 84450

Included In: Comprehensive Metabolic Panel

Methodology: NADH without Pyridoxal-5 Phospate

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.3 mL

Stability Ambient:

PST: 48 hours

SST: 4 days

Stability Refridgerated:

PST: 48 hours

SST: 4 days

Stability Frozen:

12 weeks

Sample Analyzed: Plasma or serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.1 mL

Specimen Processing:

Centrifuge. Redraw specimen if hemolysis is present. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Hemolyzed specimens or whole blood specimens greater than 2 hours old when received by the laboratory are not acceptable.



Age: U/L
0-14 days 32-162
15 days-11 months 20-67
1-6 years 21-44
7-11 years 18-36
12-17 years 14-35
18 years and up 5-34

Interpretation Type: Reference Interval