Test Code LAB85 Gamma-Glutamyltransferase (GGT), Plasma or Serum
Reporting Title
GGT
Methodology
Roche Diagnostics, Enzymatic - RMH, GMC, DH, DMH, GMH, GCMH, WECC, PMC, BH, MGH, MH, SH
Used to diagnose and monitor hepatobiliary diseases.
Performing Laboratory
OhioHealth Laboratory Services-RMH, GMC, DH, DMH, MGH, GMH, MH, SH, GCMH, WECC, and PMH
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: OK
Ambient: OK
Frozen: OK
Reference Values
Males: 11-51 U/L
Females: 7-33 U/L
Day(s) Test Set Up
Monday through Sunday; Continuously
Test Classification and CPT Coding
82977