# Clarity Ops Medical Ontology & Units (Core) ## Standard Vocabularies (recommended) - Diagnoses/conditions: SNOMED CT / ICD-10 - Labs/measurements: LOINC - Medications: RxNorm ## Units & Conventions - Blood Pressure (BP): mmHg - Hemoglobin A1c (A1c): % - Body Mass Index (BMI): kg/m² - Total Cholesterol: mmol/L (use mg/dL only if explicitly provided; convert to mmol/L if possible) - Glucose: mmol/L - Weight: kg - Height: cm - Percentages: % ## Sanity Ranges (global defaults) - A1c: 3–20 % - Systolic BP: 60–250 mmHg - Diastolic BP: 30–150 mmHg - BMI: 10–70 kg/m² - Total Cholesterol: 2–12 mmol/L ## Privacy & Reporting - No PHI. Aggregate reporting only. - Small-cell suppression: if a cohort < 10, aggregate or redact. ## Recommendation Style - Analytics-first (longitudinal targeting, clustering, eligibility rules). - Avoid generic operational advice unless explicitly asked.