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Test Code ASTS Aspartate Aminotransferase (AST), Plasma


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Light-green top (lithium heparin plasma gel)

Acceptable: Green top (lithium heparin)

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL Plasma

Collection Instructions:

1. Within 2 hours of collection, centrifuge the specimen.

2. For plasma gel tubes, plasma may sit on gel refrigerated or be aliquoted into a plastic vial.

3. For green top tubes, aliquot plasma immediately into a plastic vial.


Useful For

Diagnosing and monitoring liver disease, particularly diseases resulting in a destruction of hepatocytes, using plasma specimens

Method Name

Photometric

Reporting Name

Aspartate Aminotransferase (AST), P

Specimen Type

Plasma Li Heparin

Specimen Minimum Volume

Plasma: 0.25 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma Li Heparin Refrigerated (preferred) 7 days
  Frozen  90 days
  Ambient  4 days

Reject Due To

Gross hemolysis Reject

Reference Values

Males

0-11 months: Not established

12 months-13 years: 8-60 U/L

≥14 years: 8-48 U/L

 

Females

0-11 months: Not established

12 months-13 years: 8-50 U/L

≥14 years: 8-43 U/L

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

MCHS- Mankato

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

84450

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ASTS Aspartate Aminotransferase (AST), P 30239-8

 

Result ID Test Result Name Result LOINC Value
ASTS Aspartate Aminotransferase (AST), P 30239-8