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Order Code LAB601 Hemoglobin A1c (Hb A1c), Blood

Useful For

Hb A1c level reflects the mean glucose concentration over the previous period (approximately 6-8 weeks).

Specimen Requirements

Specimen Type: Whole Blood
Collection Container:
Preferred: EDTA
Acceptable: EDTA
Specimen Volume: 3 mL
Minimum Volume: 0.5 mL

Specimen Stability

Specimen Type Temperature Stability              
Whole Blood Ambient 24 hours
  Refrigerated (preferred) 4 days
  Frozen N/A

Reference Values

  • Adults:  4.8 - 5.6%
  • May indicate Prediabetes: 5.7 - 6.4%
  • Confirms Diabetes:  >  6.5%

Reference: 2015 ADA Diabetes Guidelines

Day(s) Test Set Up

Ridgeview Two Twelve Medical Center Laboratory: Monday through Friday (morning batched run)
Ridgeview Clinics: Upon receipt in lab

Performing Laboratory

Ridgeview Two Twelve Medical Center Laboratory

Ridgeview Clinics offer POC Methodology

Methodology

Ridgeview Two Twelve Medical Center Laboratory: High-Performance Liquid Chromatography (HPLC)
Ridgeview Clinics: Point of Care

Test Classification and CPT Coding

83036