GLUCOSE TOLERANCE 3 HOURS 100G LOAD PREGNANT

General Information

HLAB/HOL Code: GTT3
UPHSM LIS Test #: 224
Schedule: Monday-Friday
Testing Time: Same day
Testing Lab: UP Health System-Marquette

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 1.0 (0.1) ml plasma X 4
Temperature: Refrigerate
Tube Type: Grey Top Tube sodium fluoride
Collection Info:
Contact MGH Laboratory for details and to schedule this test.

Methods

Colorimetric

CPT Codes

82951, 82952

* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Reference Range

AMERICAN COLLEGE of OBSTETRICS AND GYNECOLOGY
GLUCOSE TOLERANCE TESTS INTERPRETATIVE GUIDELINES
PREGNANT 3 Hr Glucose Tolerance Test 100g Loading dose.
                                                                          TARGET LEVEL
                     Fasting plasma/glucose(8Hr fast)        95 mg/dL
                     1 Hr post loading dose                             180 mg/dL
                     2 Hr post loading dose                              155 mg/dL
                     3 Hr post loading dose                              140 mg/dL
If two or more values meet or exceed the above target level,  gestational diabetes is diagnosed.