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Gamma-Glutamyltransferase (GGT), Plasma or Serum
Test CodeGGT
Alias/See Also
Plasma Gamma-Glutamyltransferase
Serum Gamma-Glutamyltransferase
GGT
Serum Gamma-Glutamyltransferase
GGT
CPT Codes
82977
Preferred Specimen
Submit only 1 of the following specimens: Plasma
Draw blood in a green-top (lithium heparin) tube. Spin specimen down and send 1 mL of plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube. Spin specimen down and send 1 mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Draw blood in a green-top (lithium heparin) tube. Spin specimen down and send 1 mL of plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube. Spin specimen down and send 1 mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Transport Temperature
Refrigerate
Methodology
Enzymatic
Setup Schedule
Monday through Sunday
Reference Range
Males
1-7 days: 25-148 U/L
8 days-1 month: 23-153 U/L
1-3 months: 17-130 U/L
4-6 months: 8-83 U/L
7-12 months: 10-35 U/L
1-3 years: 5-16 U/L
4-6 years: 8-18 U/L
7-9 years: 11-21 U/L
10-11 years: 14-25 U/L
12-13 years: 14-37 U/L
14-15 years: 10-28 U/L
16-19 years: 9-29 U/L
>19 years: 8-78 U/L
Females
1-7 days: 19-131 U/L
8 days -3 months: 17-124 U/L
4-6 months: 15-109 U/L
7-12 months: 10-54 U/L
1-3 years: 5-16 U/L
4-6 years: 8-18 U/L
7-9 years: 11-21 U/L
10-11 years: 14-23 U/L
12-13 years: 12-21 U/L
14-15 years: 12-22 U/L
16-19 years: 9-23 U/L
>19 years: 8-78 U/L
1-7 days: 25-148 U/L
8 days-1 month: 23-153 U/L
1-3 months: 17-130 U/L
4-6 months: 8-83 U/L
7-12 months: 10-35 U/L
1-3 years: 5-16 U/L
4-6 years: 8-18 U/L
7-9 years: 11-21 U/L
10-11 years: 14-25 U/L
12-13 years: 14-37 U/L
14-15 years: 10-28 U/L
16-19 years: 9-29 U/L
>19 years: 8-78 U/L
Females
1-7 days: 19-131 U/L
8 days -3 months: 17-124 U/L
4-6 months: 15-109 U/L
7-12 months: 10-54 U/L
1-3 years: 5-16 U/L
4-6 years: 8-18 U/L
7-9 years: 11-21 U/L
10-11 years: 14-23 U/L
12-13 years: 12-21 U/L
14-15 years: 12-22 U/L
16-19 years: 9-23 U/L
>19 years: 8-78 U/L
Performed By
North Mississippi Medical Center Pathology Department
Performing Laboratory
NMMC Pathology Department