Category

Routine Chemistry

Sub Category

Organ Function Checks

Synonyms/Aliases

Gamma Gt

Abbreviations

GGT

Type

INDIVIDUAL TEST

Results

RESULTS READY AFTER 2-3 HOURS

Method

QUANTITATIVE ENZYMATIC SPECTROPHOTOMETRIC

Temp

AMBIENT: 6HOURS; R (2-8℃): 7DAYS; F (-20℃): 14DAYS

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

2 ML

Rejection criteria

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

Other Instructions

NOT APPLICABLE

Reference intervals

AGE & GENDER APPROPRIATE VALUES ARE PROVIDED ON THE REPORT.

Clinical Utility

DIAGNOSE & MONITOR HEPATOBILIARY DISEASE.

Test Limitations/ Confounders

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