Hemoglobin A1c


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


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
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.
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)


Interpretive

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.
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systemlabguide@fairview.org for TestID: 4428"