Sign in →

Browse by Name

  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  27. #
 

Return to NorDx Home Page

 

General Information:

 

Top 3 Reference Laboratory Test Catalogs for Miscellaneous Lab Test Orders:

 

Specimen Collection Information:

Reference Intervals:

System-Wide MaineHealth Laboratory Reference Intervals (Common tests only)

 

Critical Values:

System-Wide MaineHealth Laboratory Critical Values

Mayo Clinic Laboratories

Test Code GGT GAMMA GLUTAMYL TRANSFERASE (GGT), SERUM

Additional Codes

Software Test Code
Label Text GGT
EPIC LAB85

Performing Laboratory

NorDx Laboratories

Useful For

Diagnosing and monitoring hepatobiliary disease, ascertaining whether observed elevations of alkaline phosphatase are due to skeletal disease or reflect the presence of hepatobiliary disease, and as a screening test for occult alcoholism

Method Name

Colorimetric

Reference Values

Male: 7 - 51 U/L

Female: 7 - 40 U/L

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Specimen Type

Submit one of the following:

~ Plasma 

~ Serum

Preferred Container

Plasma Separator Tube (PST) 

Serum Separator Tube (SST)

Preferred Volume

Plasma: 1 mL (Plasma Separator Tube (PST)) 

Serum: 1 mL (Serum Separator Tube (SST))

Minimum Volume

Plasma: 0.5 mL (Plasma Separator Tube (PST))

Serum: 0.5 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send refrigerated.

Specimen Stability Information

Specimen Type: Plasma

Refrigerated: 7 Days

Must be spun/separated within: 2 Hours

Specimen Type: Serum

Refrigerated: 7 Days

Must be spun/separated within: 2 Hours

Add On Capable

Yes

Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer
82977 Glutamyltransferase, Gamma (GGT), Quantitative  

Performing Laboratory Location

NorDx Laboratories

LOINC Code Information

2324-2

Keywords

GAMMA GLUTAMYL TRANSPEPTIDASE (GGTP)

GGT (GAMMA-GLUTAMYLTRANSFERASE)

GGTP (GAMMA-GLUTAMYLTRANSPEPTIDASE)

TRANSPEPTIDASE, GAMMA-GLUTAMYL

Acceptable Alternative Container(s)

Red Top Tube