Pathology Handbook

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Alternative Names:

GGT
GT
Gamma Glutamyl Transferase

Laboratory:

Clinical Biochemistry

Test Code:

Specimen Types:

Blood

Container Types:

Lithium Heparin (with Gel)
SST

Adults Volume or Mass:

5 mL

Minimum/Paediatric Volume or Mass:

1 mL

Transport Instructions between Sites and/or Laboratories:

Room Temperature

Assay Frequency:

24/7

MBS Rebatable:

Yes

MBS Item No.:

66500

Billing Information:

Also MBS Item Nos. 66503, 66506, 66509, and 66512

Additional Notes:

Test is performed on Abbott AlinityReference Intervals:

Males: 5-50 U/L
Females 5 - 35 U/L

AACB Harmonised Reference Intervals in use as of 09/08/2026