Sign in →

Test Code 3HGTT Glucose Tolerance Test 3 Hour (Gestational)

Important Note

  • MUST HAVE AN APPOINTMENT
  • Call Outpatient Lab at Margaret H. Rollins Campus 302-645-3568
  • Must be drawn at the Outpatient Lab at the Margaret H. Rollins Campus

Methodology

Photometric

Specimen Requirements

Minimum one full grey-top (potassium oxalate/sodium fluoride)
tube.

     1. Fasting specimen

     2. One hour specimen

     3. Two hour specimen

     4. Three hour specimn

Transport refrigerated. 

 

Patient must be fasting (8-12 hour).

Day(s) Test Set Up

Monday through Friday

Reference Values

Fasting:       ≤95 mg/dL

1 Hour:        ≤180
mg/dL

2 Hour:        ≤155
mg/dL

3 Hour:        ≤140
mg/dL

 

Any 2 of the 4 plasma glucose values must be abnormal for
diagnosis of gestational diabetes mellitus.

Test Classification and CPT Coding

82951   X3

82952   Each additional

Performing Laboratory

Beebe Healthcare Laboratory

Performing Location

Margaret H. Rollins Laboratory