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Test Code GT2 GLUCOSE TOLERANCE, 2 HOUR

Important Note

Test subject to Medicare National Coverage Determination (NCD) 190.20 Blood Glucose Testing and Diabetes Screening.

Test must be scheduled in advance at the Ambulatory Care Center, Fanny Allen Medical Office Building, One Prospect Street, or Blair Park Williston. See Special Test Considerations.

Additional Codes

Primary ID

Epic Code

Mayo Access ID

GT2

LAB2182 N/A

 

Specimen Information

Container

Specimen

Temperature

Collect Vol

Submit Vol

Minimum Vol

Stability
Grey Top Tube Plasma

Refrigerate

4 mL 1 mL 0.5 mL 3 days

 

Test Schedule / Analytical Time / Test Priority

 Monday – Friday, by appointment only (847-5121) / 1 day / Not available STAT

Method

Colorimetric

CPT(s)

Description CPT Code
Glucose Tolerance post glucose dose 82950
Glucose Tolerance Fasting 82947

 

Instrumentation

Ortho Vitros 5600

Reference Range

Age

Sex

Physiological Status

Low

High

Units

All All Fasting Non-gestational 50 100 mg/dL
All All 2-Hour Non-gestational 50 140 mg/dL

 

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
GDOSE Glucose Tol, Dose 4269-7
G21 Glucose Tol, Fasting 1558-6
G251 Glucose Tol, 2 hr 20436-2