HbA1c (IFCC)
MetabolismHbA1c is your average blood sugar over the last 2–3 months — the single best blood test for spotting prediabetes and monitoring diabetes.
Glycated hemoglobin according to International Federation of Clinical Chemistry standards. It's an alternative measurement system for HbA1c that uses different units (mmol/mol) than NGSP (percentage).
Why this matters
Elevated IFCC HbA1c signals prolonged high blood sugar, contributing to long-term diabetes-related complications. Lifestyle factors affecting levels include diet (reducing added sugars and refined carbs, increasing fiber and lean protein intake), regular exercise, maintaining a healthy weight, good sleep hygiene, and stress reduction. Monitoring IFCC HbA1c helps track glucose control and supports early interventions to reduce health risks.
How this connects to other biomarkers
- HbA1c (IFCC, mmol/mol) is the international SI-unit equivalent of HbA1c (NGSP) in % — conversion: NGSP% = 0.0915 × IFCC + 2.15.
- Interpretation thresholds, confounders, and clinical relationships are identical to HbA1c (NGSP): ≥ 48 mmol/mol defines diabetes; falsely altered values occur with red-cell breakdown (hemolysis) or shortened red-cell survival.
Frequently asked questions
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