Hemoglobin A1c, Point of Care


Abbrev Code:GLYHB   
Order Code:LAB90Order Name:Hemoglobin A1c POCT
Synonyms:Glycohemoglobin; Glycated Hemoglobin; Glycosylated Hemoglobin; HbA1c; GLYHB; HgbA1c
Methodology:Reflectometry and colorimetry
CPT Codes: 83036 x1
Turnaround Time:Performed and reported in the clinic.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL (tube)
Minimum\Peds Volume:1.5 μL
Container:
Alternate Containers: Purple (EDTA)
Collection Instructions:Collect fresh capillary whole blood by fingerstick. Alternatively, collect venous whole blood in purple (EDTA) tube.
Contraindications:Not useful more often than at 4-6 week intervals. Low hemoglobin may cause falsely decreased results. Once the glass capillary is filled with a 1.5 μL blood sample, analysis must begin within one (1) minute. If the blood remains in the glass capillary for more than one (1) minute before beginning the test, reject the sample for testing. Do not analyze hemolyzed or coagulated samples.


Processing and Shipping

Specimen Processing:Whole blood. Do not centrifuge. Store in refrigerator.
Capillary sample: Test immediately.
Shipping Instructions:Ship refrigerated to arrive within 7 days of specimen collection.
Stability:Whole blood with anticoagulants may be stored for 10 days refrigerated (2°-8°C).
Test Performed at or Referral Lab Point of Care  (University of Minnesota Health Maple Grove Clinics, Range, UMMC-West Bank, Ridges, Clinics, M Health Clinic and Surgery Center)


Interpretive

Reference Range:
Normal <5.7%
Pre-Diabetes 5.7-6.4%
Diabetes 6.5% or greater
 
Use:Assess glycemic control in all people with diabetes mellitus.


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