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Test Code AST Aspartate Aminotransferase (AST)

Additional Codes

LAB131

Aliases

Aspartate Aminotransferase, SGOT

Collection Method

Venous

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top


Plasma:

  • Light Geen Top (lithium heparin)

Reference or Target Ranges

Age Male Female
<1 year 3-74 3-74
1-13 years 8-60 8-50
>14 years 8-48 8-43

 

Reportable Units

U/L

Reasons for Rejection

Hemolysis Threshold 40 mg/dL
Icterus Threshold 60 mg/dL
Lipemia Threshold 150 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

Ambient 24 hours
Refrigerated (4°C to 8°C) 7 days

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench CPH Chemistry
Methodology/Method Description Roche Cobas 

CPT Codes

84450

Last review/edit date

Feb 2024