Category

Routine Chemistry

Sub Category

Organ Function Checks

Synonym/Aliases

Serum Glutamic-oxaloacetic Transaminase

Abbreviations

SGOT; GOT; AST

Type

INDIVIDUAL TEST

Results

RESULTS READY WITHIN 2 TO 3 HOURS

Method

SPECTROPHOTOMETRIC.

Temp

TEMPRATURE KEPT REFRIGIRATED

Setup

DAILY

Components Parameters

-Not Applicable

PRE-ANALYTIC CONSIDERATIONS

Test Ordering Instructions

FILL OUT TEST REQUEST FORM FULLY & LEGIBLY.

Patient preparation

-NOT APPLICABLE

Sample type

SERUM

Container/ preservative

SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER

Sample volume

AT LEAST 2 ML SEPARATED WITHIN 1 HOUR AFTER COLLECTION

Rejection criteria

LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE; GROSS LIPEMIA.

Other Instructions

- NOT APPLICABLE

Reference intervals

AGE & GENDER APPROPRIATE VALUES ARE PROVIDED ON THE REPORT

Clinical Utility

DIAGNOSE & MONITOR LIVER DISEASE. MAY ALSO BE DONE AS PART OF A HEMOLYTIC SCREEN.

Test Limitations / Confounders

PRESENCE OF MACRO AST CAN LEAD TO SPURIOUSLY INCREASED AST LEVELS.