ICD-10 / CIM-10 — International Classification of Diseases, 10th Revision

Overview

ICD-10 is the WHO standard classification of diseases, health conditions, and causes of death, used worldwide for clinical coding, epidemiology, and health statistics.

Key Neurological Codes

Code range	Domain
G00–G99	Diseases of the nervous system
G20	Parkinson’s disease
G30	Alzheimer’s disease
G35	Multiple sclerosis
G40	Epilepsy
F00–F99	Mental and behavioural disorders
G10–G13	Hereditary and degenerative diseases of the nervous system

Connections

• Source vocabulary in: OMOP CDM
• Coded in: HL7 FHIR (Condition resource)
• Maps to: SNOMED CT, MONDO, ORDO, ICD-11

Resources

• https://www.who.int/classifications/icd
• https://www.atih.sante.fr/la-classification-cim (French ATIH CIM-10 reference)
• https://athena.ohdsi.org (OMOP CDM ICD-10 vocabulary browser)