S04.9 is the ICD-10 code for Injury of unspecified cranial nerve. It is a four-character subcategory of S04 (Injury of cranial nerves), the most specific level in the WHO edition. It belongs to the block S00–S09 (Injuries to the head) in Chapter XIX, Injury, poisoning and certain other consequences of external causes.
- Code type
- Subcategory (4 characters)
- Chapter
- XIX · S00–T98
- Classification
- WHO ICD-10, 2019 version
S04.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
S04.9Skade på uspesifisert hjernenerve
DS049Læsion af hjernenerve UNS
S04.9Määrittämättömän aivohermon vamma
S04.9Verletzung eines nicht näher bezeichneten Hirnnervs
S04.9Lésion traumatique d'un nerf crânien, sans précision
S04.9letsel van niet-gespecificeerde hersenzenuw
Listed through more specific codes:
- S04.9XXAInjury of unspecified cranial nerve, initial encounter
- S04.9XXDInjury of unspecified cranial nerve, subsequent encounter
- S04.9XXSInjury of unspecified cranial nerve, sequela
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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