Tests:Gamma Glutamyl Transferase, Plasma

Overview
Department	Biochemistry
Test Code
Synonyms	GGT
Availability	Monday - Sunday, testing routinely available out of hours
Turnaround Time	1-2 hours
Stability - Add test
Specimen Requirements
Specimen	Serum Plasma
Preferred	6 mL plain Red-Top
Acceptable	4 mL Li-Hep Green-Top
Unacceptable	Haemolysed
Specimen Transportation
Paediatric Requirements	Li-Hep Microtainer
Aliquot Requirements
Sample	Plasma Serum
Preferred Volume	100 µL
Minimum Volume
Aliquot Transportation
Clinical Information
Reference Intervals	0 – 1 yr 25 - 150, IU/L 1 - 3 yr 15 - 130, IU/L 3 - 15 yr 5 - 30, IU/L Adult Female 10 - 35, IU/L Adult Male 10 - 50, IU/L
Test Method	Abbott Alinity c series analyser using Abbott reagents.
Advanced Notice
Patient Preparation
Comments

Owner	Clair Crossley (Crossley1)
Last reviewed	23.09.2026
Next review	23.09.2027 (OK)