Test Code AST AST (GOT)
Additional Codes
LAb131
Performing Laboratory
Porter Hospital Laboratory
Specimen Requirements
Specimen Type: Blood
Container/Tube: Tiger top, serum gel
Also Acceptable: Green top (Lithium Heparin)
Specimen Volume: Full tube, submit 05 mL serum
Specimen Minimum Volume: 0.3 mL
Collection Instructions:
1. Send specimen in original tube.
2. If there is a delay in transport of >1 hour, centrifuge tube.
3. Centrifuged samples are stable for:
• 8 hours at room temperature
• 7 days at 2-8 °C
• For longer storage, freeze at –20 °C or colder
Specimen Transport Temperature
Refrigerated
Test Classification and CPT Coding
84450
Test Schedule / Analytical Time / Test Priority / Turn Around Time
Daily / 24 Hours / Available STAT / Routine - 4 Hours
STAT - 60 Minutes
Normal Reference Values
15-37 U/L
Critical Values
None