Hemoglobin A1c, Point of Care
| Sunquest Code: | GLYHB | ||
| Epic Code: | LAB90 | Epic Name: | Hemoglobin A1c POCT |
| Synonyms: | Glycohemoglobin; Glycated Hemoglobin; Glycosylated Hemoglobin; HbA1c; GLYHB; HgbA1c | ||
| Methodology: | Reflectometry and colorimetry | ||
| 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: | (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: |
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| Use: | Assess glycemic control in all people with diabetes mellitus. |
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