Sign in →

Test Code AST Aspartate Aminotransferase, Serum

Clinical Indications

N/A

Additional Test Codes

Epic Order Name: AST
Sunquest Order Code: AST
Epic Px Code: LAB2083

Specimen Collection Type

Preferred: Mint
Acceptable: Gold

Minimum Collection Volume

1 mL whole blood

Reference Range

<1Y: 20 – 100 U/L
>1Y: 7 – 40 U/L

Critical Value

N/A

Interpretation

N/A

Rejection Criteria

Gross Hemolysis

Specimen Availability for Add-on Testing

2 days

Specimen Stability

28 Days Refrigerated

Day(s) Performed

Monday through Sunday

Performing Lab- Department

TUKHS-BH-Chemistry

CPT Code

84450

LOINC Code

1920-8

Test Alias

N/A

Additional Information / Notes

Specimens collected in a serum gel tube or lithium heparin gel tube must be centrifuged within 3 hours of collection. Serum gel should clot for 30 minutes prior to being centrifuged.