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The international classification of diseases (ICD) is published by the WHO. Most countries publish national modifications; we support both the WHO version and national extensions.

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National extensions

Many countries publish national adaptations of ICD-10 that add country-specific codes or additional granularity beyond the international edition. National extensions are supported as separate coding system identifiers: Status icons follow the coding systems table. Hover an icon for its status. When enabled, the system field accepts the relevant ICD-10 identifier with an encounter-type suffix (e.g., icd10int-inpatient, icd10gm-inpatient, cim10fr-outpatient). API reference →