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HelpTest Code 2500304 GGTP (GAMMA-GLUTAMYLTRANSFERASE)
Specimen Requirements
1.0 mL Serum or Heparanized Plasma
Specimen Stability Information
4 days 2-8°C
Reference Values
Male: 11.0-50.0 U/L
Female: 7.0-32.0 U/L
Day(s) Test Set Up
Monday through Sunday
Special Instructions
Draw blood from a fasting patient.
CPT
82977
LOINC
2324-2
Methodology
G-glutamyl-carboxy-nitroanilide