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Geisinger Medical Laboratories Test Catalog
HEMOGLOBIN A1C |
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Geisinger Epic Procedure Code: LAB2415
Geisinger Epic ID: 32306
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SPECIMEN COLLECTION |
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Specimen type: |
Whole blood | |
Preferred collection container: |
4 mL lavender-top (K2 EDTA) tube
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Specimen required: |
2.5 mL; minimum 1 mL. | |
Special notes: |
Separate tube(s) required. Microcollection tubes are not acceptable. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Do not centrifuge or freeze. | |
Transport temperature: |
Refrigerated. | |
Specimen stability: |
Room temperature: 3 days. Refrigerated: 7 days. | |
Rejection criteria: |
Stability limits exceeded. Microcollection tubes are not acceptable. | |
TEST DETAILS |
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Interpretation guide: |
Based on guidelines from the American Diabetes Association: Normal: <=5.6% Prediabetes: 5.7-6.4% Diabetes: >=6.5%, diagnosis requires two abnormal diabetes diagnostic test results Glycemic goals for adult diabetes: <7.0% |
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Additional information: |
Estimated average glucose is calculated from HBA1c result. | |
CPT code(s): |
83036 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Hemoglobin A1c, estimated average glucose. | |
Methodology: |
Immunoassay |
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Synonyms: |
Glycohemoglobin HGBA1c, HGB A1c , HbA1c HBA1C
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Clinical significance: |
Assesses long-term diabetic control in diabetes mellitus. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |