Test Directory
3215 GGTP (Gamma Glutamyl Transpeptidase)
Specimen Type
Specimen Stability
Reference Range
Serum-SST
7 Days 2-8° C
9-64 U/L
Specimen Requirements
Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum
Minimum amount: 0.5 mL Serum
Method
Kinetic
Schedule
Mon-Sat
Turn-Around Time
24hrs; Also offered STAT at an additional charge
Instructions/Notes
Centrifuge required?: Yes
Clinical Utility
To differentiate between liver and bone disease as a cause for elevated alkaline phosphatase (ALP); sometimes to help detect liver disease and/or alcohol abuse. Elevated GGTP and ALP together are consistent with biliary disease.
CPT Codes
82977
