Sources and References
These references support the calculator formula, A1C ranges, and article explanations on this site.
Core references
- ADA eAG/A1C Conversion Calculator Confirms the ADAG conversion relationship used by this site.
- American Diabetes Association Standards of Care Professional diabetes care recommendations and current clinical guidance.
- ADA Diabetes Diagnosis and Tests Patient-facing A1C diagnostic ranges for prediabetes and diabetes.
- NGSP Factors That Interfere with HbA1c Reference for conditions that can affect A1C interpretation.
- NGSP HbA1c Assay Interferences Reference for assay and hemoglobin variant interference.