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Gestational 3HR Challenge

Centralized Core Laboratory : Chemistry

Test ID/Workstation :
MG3HR ACHM1
Specimen Type:
Blood
Tube Type:
Green top ( lithium heparin)tube
Collection Volume:
1.5 mL
Storage:
Refrigerated
Availability:
Mon-Fri
Methodology:
Enzymatic reference method with hexokinase
Special Instructions:
Prior to drawing patient, see Specimen Collection Procedure - Glucose Tolerance Testing. For outpatients, test should only be drawn in outpatient locations within a Hospital (Akron or Beeghly).
Lab/Phone:
330-543-8419
TAT:
1 hour/draw
Additional Info:
Criteria for Diagnosis of Gestational Diabetes Mellitus(GDM) 100g, 3HR Glucose Challenge The Diagnosis of GDM is made when two or more of the following plasma glucose values are exceeded:
  • Fasting >=95 mg/dl
  • 1HR Glucose >=180 mg/dl
  • 2HR Glucose >=155 mg/dl
  • 3HR Glucose >=140 mg/dl
  • CPT Code:
    82947,82951
     Specimen Collection Procedures: