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Gamma-glutamyltransferase (GGTP)
MessageDay(s) Test Set Up: Monday through Sunday
Test Code
GGTP
CPT Codes
82977
Preferred Specimen
0.5 mL plasma
Instructions
Draw blood in an PST tube. Spin down.
Transport Container
PST tube
Transport Temperature
Refrigerated
Methodology
Multiple Point Rate
Reference Range
Males: 15-73 U/L
Females: 12-43 U/L
Females: 12-43 U/L
Clinical Significance
Gamma-glutamyltransferase is an enzyme which is very sensitive but a nonspecific indicator of liver damage.
Last Updated: July 11, 2018