Idexx VetTest - Page 68

H–12
IDEXX VetTest* Chemistry Analyzer Operator’s Manual
Gamma-glutamyltransferase/GGT
5IFFO[ZNFHBNNBHMVUBNZMUSBOTGFSBTFJTNFNCSBOFCPVOE*UJTQSFTFOUJOMBSHF
quantities in the kidney medulla and cortex and to a lesser extent in the small intestinal
mucosa and bile canaliculi. (See EnzymesQBHF)
%FTQJUFUIFIJHIBDUJWJUZPGHBNNBHMVUBNZMUSBOTGFSBTFJOUIFLJEOFZSFOBMEJTFBTF
does not result in high enzyme activity in the serum sample.
Principal reason for performing the test:
As an indicator of hepatic cholestasis or neoplasia.
Most common abnormality indicated by the test:
Hepatic neoplasia
Special precautions in sample collection:
Do not use fluoride/oxalate as an anticoagulant. Remove plasma or serum promptly
from the clot or cells. Hemolyzed specimens should not be used.
Complementary tests:
4FSVNHBNNBHMVUBNZMUSBOTGFSBTFBDUJWJUZJTVTVBMMZEFUFSNJOFEJODPOKVODUJPOXJUI
other tests of hepatic function and damage.