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Test Code GGT Gamma Glutamyl Transpeptidase (GGT)

Specimen Type

Blood

Container

Mint green top with gel separator

Preferred Volume

3.5 mL

Availability

24/7

Turnaround Time

3 hours

STAT Availability

Not Available

Test Usage

Gamma-glutamyltransferase is used in the diagnosis and monitoring of hepatobiliary diseases.  Gamma-glutamyltransferase is also a sensitive screening test for occult alcoholism.

Test Methodology

Spectrophotometric, kinetic

CPT Code

82977

Test Includes

quantitative determination of gamma-glutamyltransferase (GGT) in plasma

Reference Range

11 – 63 IU/L

Critical Results

None

Coverage Information

CMS has established a national coverage policy (NCD) for Medicare for this test as of November 25, 2002. Please document medical necessity. For more details click this link:https://www.cms.gov/medicare-coverage-database/details/ncd-details.aspx?NCDId=153&ncdver=1&bc=AgEAAAAAAAAA

Minimum Volume

2 mL

Fee Code

43612

Synonyms

GGT