Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

GGT

General Information

Lab Order Codes:

GGT

Synonyms:

Gamma Glutamyltransferase; Gamma GT

CPT Codes:

82977–Glutamyltransferase, gamma

Test Includes:

Gamma GT concentration reported in U/L.

Logistics

Test Indications:

Increases in GGT usually result from diseases of the liver, especially diseases associated with obstruction of the flow of bile.

Lab Testing Sections:

Chemistry

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

2 hours

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Green top (Li Heparin) tube preferred
Alternate tube: Red top (plain, no gel) tube

Draw Volume:

0.6 mL blood

Processed Volume:

0.2 mL serum/plasma

Collection:

Routine blood collection. Mix tubes containing anticoagulant by gentle inversion.

Special Processing:

Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into plastic sample cup. Analyze sample immediately or store at refrigerated temperatures. Avoid prolonged contact with red cells.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimen

Interpretive

Reference Range:

Males: 15 – 85 U/L

Females: 5 – 55 U/L

Critical Values:

N/A

Limitations:

N/A

Methodology:

Enzymatic 37°C

References:

GGT Flex® reagent cartridge insert sheet Siemens Healthcare Diagnostics Inc., Newark, DE 19714 (2013-07-05) PN 781045.001, Rev E

Siemens Dimension Vista system ENZ 1 CAL product insert, Siemens Healthcare Diagnostics Inc, Newark, DE 19714m OB 751310.001-US, Issue date 03/2014 Rev F

Jacobs & DeMott Laboratory Test Handbook, Lexi-Comp, Inc, Hudson, OH, 5th Edition, 2001

©2001-2006 American Association for Clinical Chemistry Lab Tests Online



  Lab Test Directory
    Chemistry
    Coagulation
    Flow/Immunology
    Hematology
    Microbiology/ Virology
    Other Fluids
    Pathology
    Serology
    Transfusion Services
    Urine/Stool

  Search Lab Test Directory
    List All Documents

  Lab Staff

  E-mail Lab Services