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Test Code LAB85 Gamma-Glutamyltransferase (GGT), Plasma or Serum

Additional Codes

45692

Reporting Title

GGT

Methodology

Roche Diagnostics, Enzymatic -  RMH, GMC, DH, DMH, GMH, GCMH, WECC, PMC

Siemens Diagnostics  MGH,  HMH, OBL

 

Used to diagnose and monitor hepatobiliary diseases.

Performing Laboratory

OhioHealth Laboratory Services-RMH, GMC, DH, DMH, MGH, GMH, HMH, OBL, GCMH, WECC, and PMC

Specimen Requirements

Collection Instructions:

1. Serum and Plasma gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.

 

Submit only 1 of the following specimens:

 

Preferred:

Serum

Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated. Avoid hemolysis.

Note:

1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable..

2. Indicate serum on request form.

3. Label specimen appropriately (serum).

 

Alternate:

Plasma

Draw blood in a mint green-top (heparin) gel tube(s). Spin down and send 1 mL of heparinized plasma refrigerated. Avoid hemolysis.

Note:  1. Indicate plasma on request form.

2. Label specimen appropriately (plasma).

 

Specimen Stability Information

 

Specimen Type Temperature Time
Serum or plasma Refrigerated 7 days
  Ambient  7 days
  Frozen  12 months

 

Specimen Transport Temperature

Refrigerate/Ambient OK/Frozen OK

Reference Values

RMH, GMC, DH, DMH, GMH

Males:  11-51 U/L

Females:  7-33 U/L

 

MGH, HMH, OBL

Males 15-85 U/L

Females 7-85 U/L

Day(s) Test Set Up

Monday through Sunday; Continuously

Test Classification and CPT Coding

82977