Compliance, Regulatory & Policies -
Policy, Billing, or Coverage Update -
2026
Reimbursement Policy: PO-RE-056 Gamma-glutamyl Transferase Testing in Adults
Gamma-glutamyl transferase (GGT), also known as gamma-glutamyl transpeptidase (GGTP),1,2 is an enzyme that has a half-life of between fourteen and twenty-six days and is present in the cell membrane of many different tissue types, including the heart, brain, seminal vesicles, kidneys, bile duct, spleen, and gallbladder
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