Open-source medical calculator formulas and clinical scoring systems. Reference implementations for eGFR, BMI, MELD, CHA₂DS₂-VASc, A1C, and 100+ more. Used by mdtools.org.
javascript open-source healthcare medical-education bmi-calculator medical-reference egfr evidence-based-medicine clinical-calculators medical-formulas meld-score clinical-scoring
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Updated
Feb 16, 2026