ICD-NA-NEUROLOGY
ICD neurology adaptation WHO WFN.
Definition
ICD-NA provides an additional granularity level to ICD neurology codes. Covers: Epilepsy classification (ILAE), Headache disorders (ICHD-3), Multiple Sclerosis (McDonald criteria), Movement disorders (Movement Disorder Society), Cerebrovascular disorders (TOAST classification). Distribution via WFN publications and integration in neurology specialty EHR (Neurolink, Bridge). Update parallel to ICD-11 launched 2022.
Origin
ICD-NA first edition published WHO+WFN 1989 ; ICD-10-NA revision published 1996 ; reflected revisions with ICD-11 since 2022.
Example in context
A French hospital neurology department codes an ischemic stroke with ICD-NA to specify TOAST classification (Large Artery Atherosclerosis), enriching the national registry.
Related terms
- ICD-O-3 — other specialty adaptation.