Gamma GT

Alternative names, keywords

Gamma glutamyl transferase, GGT, gamma glutamyl transpeptidase, γGT

Samples required

Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.

Test indications

Factors affecting test performance/ results

In very rare cases, gammopathy, in particular type IgM (Waldenström’s macroglobulinemia), may cause unreliable results.

Results should always be assessed in conjunction with the patient’s medical history, clinical examination and other findings.

Reference range

male: 10 - 71 IU/L
female: 6 - 42 IU/L
_{Source: Roche Cobas^® GGT kit insert, 02-2014, V5.0}

Turnaround time

Same day (within 1h if urgent)

Enquiries

Biochemistry (Automation)