Laboratory Test Information Guide

Details for Aspartate Aminotransferase,Plasma

Test Name: Aspartate Aminotransferase,Plasma
Alternate Name(s): AST
Laboratory: Core
Specimen Type: 4.5 mL Green (Lithium Heparin) top Vacutainer

Pediatric:
0-2 yrs: Green top Microtainer (BD 365985)<
2-10 yrs: 2 mL Green top
Collection Information: Serum from a 5 mL Gold top or 6 mL Red top Vacutainer tube is also acceptable.

The minimum volume required for pediatric samples is 0.2 mL.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: As required
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
4 hours
Stat
1 hour
 
Reference Range: Male: <40 U/L

Female: <32 U/L
Effective Date: 2008-11-15
Revised Date: 2014-02-25
Critical Value:  
Interpretive Comments: Very sensitive but non-specific indicator of hepatocellular damage. Also elevated in cardiac and skeletal muscle damage and erythrocyte disorders. Hemolysis will falsely increase plasma results.
Special Processing:  
Comments:  
Method of Analysis: Enzymatic rate
Critical Information Required:  
Storage & Shipment:  
System Codes: 
Cerner
AST
 
Referred To:  

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