GGT

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

SGGT

Test Code (Numeric Code)

0134

Laboratory Handling

Sample Stability

7 days at 15-25°C 7 days at 2-8°C 1 year at -20°C

Synonyms

Gamma - Glutamyl Transferase, Serum GGT

Turnaround Time

3 hours

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Lithium Heparin - Non-gel (Green Cap)
  • Plain (Red Top)
  • SST II (Gold Cap)

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Heparin (Microtainer)
Acceptable
  • Plain(Microtainer)
  • SST(Microtainer)

Additional Specimen Information

4.5 mL PST Blood (Preferred)
Micro-PST 0.5 mL Paediatric Micro-PST Blood (Preferred)
Heparin 5 mL Heparin Blood
Plain 4 mL Plain Blood
SST 3.5 mL SST Blood
Microsample 0.5 mL Paediatric Microsample Blood
Micro-heparin 0.5 mL Paediatric Micro-heparin Blood

Last updated: 30/03/2026