Hemoglobin A1c

Sunquest Code:GLYHB  
Epic Code:LAB90Epic Name:Hemoglobin A1c
Synonyms:Glycohemoglobin; Glycated Hemoglobin; Glycosylated Hemoglobin; HbA1c; HgbA1c; GLYHB
Methodology:Turbidimetric and colorimetric
Turnaround Time:Performed and reported 24 hours/day.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Purple (EDTA)
Causes for Rejection:Frozen specimens
Contraindications:Not useful more often than at 4-6 week intervals. Low hemoglobin may cause falsely decreased results.

Processing and Shipping

Specimen Processing:Do not centrifuge. Store in refrigerator.
Shipping Instructions:Ship refrigerated to arrive within 7 days of specimen collection.
Stability:Stability: Room temperature - 3 days; refrigerated - 7 days.
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, M Health Clinic and Surgery Center, Grand Itasca GICH)


Reference Range:
Normal <5.7%
Pre-Diabetes 5.7-6.4%
Diabetes 6.5% or greater

GICH: 4.0-6.2%
Use:Assess glycemic control in all people with diabetes mellitus.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 4428"