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ID:32 Aspartate amino-transferase (AST)
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Description ALT is routinely used in preference to AST in the LFT profile.
IndicationLiver function and myocardial damage.
Additional InfoAST catalyses the interconversion of amino acids and alpha-ketoacids by tranfering amino groups. AST is present in the mitochondria and cytsosol of hepatocytes, red blood cells, heart, brain and muscle.
Concurrent Testsna
Dietary Requirementsna
InterpretationRaised in hepatobiliary (e.g. alcoholic hepatitis), muscle, cardiac and haemolytic disease.

DepartmentBiochemistry
SampleBlood
TubeSerum or Heparin
Tube Picture
Collection ConditionsUse Gold top (serum gel) tube except for Intensive Care Units, renal unit, transplant unit, patients on IV heparin (use Green/Yellow top tube for these patients).
Min. Vol1 ml
Freq.Daily

Ref. Range (Male)<40
Ref. Range (Female)<40
Ref. Range (Paed)
Ref. Range Notes10 - 40 IU/L
Unitsiu/L
IP Acute TAT- Contact Laboratory
IP Routine TAT3 hours
GP Acute TAT- Contact Laboratory
GP Routine TAT24 hours
Turnround CommentNA

Originally edited by : DT. Review due on . Published By on 11/08/2006 15:35:00.