Gamma-Glutamyl Transferase
Test Code
GGT
Description
Collect
Plain red top or SST tube.
Pediatric Collection
Minimum volume: 0.1 mL serum
Storage Transport Temp
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Stability after cell separation:
perform testing ASAP after collection.
1 month refrigerated at 2-8°C
1 year frozen at -20°C
Performed
Monday - Friday
Methodology
Enzymatic
Turnaround Time
4 hour routine, 1 hour STAT
Department
Core Lab
Synonyms
Enzymatic (Gamma Glutamyl Transferase);GGT
Reference Interval
| Gamma Glutamyl Transferase, Serum | 
			 Human  | 
		|
| 
			 Male  | 
			
			 Female  | 
		|
| 
			 U/L  | 
		||
| 
			 Newborn - 9 years  | 
			
			 6-16  | 
			
			 6-19  | 
		
| 
			 10 years - 18 years  | 
			
			 7-26  | 
			
			 8-23  | 
		
| 
			 19+ years  | 
			
			 7-64  | 
			
			 7-64  | 
		
CPT Code
82977