Test Code LAB85 Gamma GT (GGT)
Additional Codes
CPT Code: 82977
Performing Laboratory
TidalHealth Peninsula Regional - Core Laboratory: Chemistry
Specimen Requirements
Serum
Draw blood in a gold-top, plain red, or SST serum gel tube. (Hemolyzed specimen is not acceptable.) Spin down and send 2 mL of serum. Label specimen appropriately.
Reference Values
Males
0 days-6 months: ≤ 122 U/L
6 months -1 year: ≤ 39 U/L
1-13 years: ≤ 22 U/L
13-18 years: ≤42 U/L
> 18 years: < 60 U/L
Females
0 days-6 months: ≤ 132 U/L
6 months -1 year: ≤ 39 U/L
1-13 years: ≤ 22 U/L
13-18 years: ≤24 U/L
> 18 years: < 40 U/L
Additional Information
Available STAT