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Test Code GGT GGT (GAMMA GT)

Important Note

Test subject to Medicare National Coverage Determination (NCD) 190.32 - Gamma Glutamyl Transferase.

While a microtainer is an optional tube type in rare circumstances, it is not recommended.

Additional Codes

Primary ID

Epic Code

Mayo Access ID

GGT

LAB85 FAH242

 

Specimen Information

Container

Specimen

Temperature

Collect Vol

Submit Vol

Minimum Vol

Stability
SST Serum

Refrigerate

4 mL 0.6 mL 0.3 mL 7 days
Lithium Heparin (green top) Plasma Refrigerate 4 mL 0.6 mL 0.3 mL 7 days
Green Microtainer   Refrigerate 0.6 mL     7 days

Hemolysis affects results, please submit non hemolyzed sample.
While a microtainer is an optional tube type in rare circumstances, it is not recommended.

Test Schedule / Analytical Time / Test Priority

Daily / 1 day / Available STAT

Method

Colorimetric

CPT(s)

Description CPT Code

Gamma Glutamyl Transferase                                                          

82977

 

Instrumentation

Ortho Vitros 5600

Reference Range

Age

Sex

Physiological
Status

Low

High

Units

1-8 days Male   25 148 U/L
1-8 days Female   19 131 U/L
8-30 days Male   25 153 U/L
8-30 days Female   17 124 U/L
1-4 months Male   17 130 U/L
1-4 months Female   17 124 U/L
4-7 months Male   <84   U/L
4-7 months Female   15 109 U/L
7-12 months Male   <36   U/L
7-12 months Female   <55   U/L
1-4 years Male   <17   U/L
1-4 years Female   <17   U/L

4-7 years

Male   <19   U/L
4-7 Years Female   <19   U/L
7-10 years Male   <22   U/L
7-10 years Female   <22   U/L
10-12 years Male   14 25 U/L
10-12 years Female   14 23 U/L
12-14 years Male   14 37 U/L
12-14 years Female   <22   U/L
14-16 years Male   <29   U/L
14-16 years Female   <23   U/L
16-18 years Male   <30   U/L
16-18 years Female   <24   U/L
≥18 years Male   15 73 U/L
≥18 years Female   <44   U/L

 

Section

Chemistry-1

Performing Location

University of Vermont Medical Center

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

LOINC Code Information

Result Code Reporting Name LOINC Code
GGT GGT 2324-2