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AST

Additional Codes

LAB131

Performing Laboratory

MBMC Main Laboratory

Methodology

IFCC, Enzymatic with P5P

Specimen Requirements

Note: This test is also available as part of Comprehensive Metabolic Profile and Hepatic Function Panel. See Common Panel Test Combinations in Special Instructions to avoid duplicate test requests when multiple panels are ordered.
 
PreferredSpecimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin gel)
Specimen Volume: Full tube

Alternative Specimen Type: Serum

Alternative Container/Tube: Gold, Serum gel

Alternative Specimen Volume: Full tube

Specimen Transport Temperature

Ambient

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: 1 hour after receipt in laboratory

Routine: within 4 hours

Reference Values

0- 5 days:  35-140 U/L

5 days -12 years:  10-60 U/L

12-18 years:  10-50 U/L

Female >18 years:  10-45 U/L

Male >18 years:  10-50 U/L

Test Classification and CPT Coding

Test Classification:

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.

CPT Code:

84450

Special Instructions

Stability

5 days Refrigerated