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HelpTest Code GGT Gamma-Glutamyl Transpeptidase (GGT), Plasma or Serum
Additional Codes
Epic Test ID
LAB85
Performing Laboratory
Bronson Laboratory Services-Chemistry
Reference Values
Men: 8-61 U/L
Women: 5-36 U/L
Methodology
Spectrophotometry (SP)
Specimen Transport Temperature
Refrigerate
Specimen Requirements
Preferred
Specimen Type: Serum
Container/Tube: Gold or Red
Specimen Volume: 5 mL
Specimen Minimum Volume: 1 mL
Alternative
Specimen Type: Plasma
Container/Tube: Mint or Green
Specimen Volume: 5 mL
Specimen Minimum Volume: 1 mL
Specimen Stability
Serum*, Room Temperature - 7 days
Serum*, Refrigerated - 7 days
Serum*, Frozen - 1 year
*Note: Heparinized plasma in gel separator tubes is less stable than serum and is only suitable for add-on testing up to 2 days following sample collection.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82977