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

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

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