OB Glucose Tolerance, 2 hour

Message
OB Tolerance Fasting (CPT 82947) must be ordered with this test. See Additional Information below for test code link. 


Test Code
OBT2


Includes
  1. OB Tolerance 1 Hour
  2. OB Tolerance 2 Hour


Preferred Specimen
Serum Separator (Gold/Yellow) Tube


Minimum Volume
1 mL per collection


Other Acceptable Specimens
Lithium Heparin Plasma Separator (Light Green) Tube


Instructions
Fasting Required
Separate/spin within 2 hours. 


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: 8 hours
Refrigerated: 3 days
Frozen: Unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed, Grossly lipemic


Reference Range
                               Criteria for the Diagnosis of Gestational Diabetes mellitus 
                                                           (75 gm Glucose dose)

                                                         Fasting: >= 92 mg/dl
                                                         1 hr:   >= 180 mg/dl
                                                         2 hr:   >= 153 mg/dl

                                     Reference: Diabetes Care, Vol 35, Supplement 1, Jan 2012


Performing Laboratory
This test is performed at the following locations:
  1. MercyOne Siouxland Medical Laboratory
  2. MercyOne Dakota Dunes Medical Laboratory


Additional Information
Fasting Glucose, OB Tolerance

Last Updated: September 16, 2022


The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.