Gamma-Glutamyltransferase (GGT)

CPT Code(s):

82977

Additional Information:

UFHPL Epic order code: LAB85

Specimen Requirements:

Type: Serum or plasma

Container/Tube: Serum gel or EDTA plasma

Sample Volume: Submit full tubes.

Minimum Volume: 0.5 mL serum or plasma

Preparation:

  1. Send specimens in their original tubes.
  2. Centrifuge tubes if there is a delay in transport of more than 1 hour.

Storage: Samples are stable for up to 30 days at 2 – 8ºC.

Unacceptable Conditions: Samples with moderate or marked hemolysis will be rejected.

Specimen Retention Time: 5 days

Use:

Gamma-glutamyltransferase measurements are used in the diagnosis and treatment of liver diseases such as alcoholic cirrhosis and primary and secondary liver tumors.

Methodology:

Gamma Glutamyltransferase (GGT)

Reported:

Within 24 hours

Reference Values:

9 – 64 U/L