9C40.1
Optic neuritis
Optic neuritis
Child Codes (3)
Frequently Asked Questions
What is the ICD-11 code for optic neuritis?
The ICD-11 code for optic neuritis is 9C40.1. The full clinical description is "Optic neuritis".
What does ICD-11 code 9C40.1 mean?
ICD-11 code 9C40.1 represents “Optic neuritis”. It is classified under Chapter 9: Diseases of the Visual System.
What chapter is 9C40.1 in?
9C40.1 is in Chapter 9: Diseases of the Visual System (codes 9A00-9E1Z).
What is the ICD-10 equivalent of ICD-11 code 9C40.1?
There is no direct ICD-10 mapping available for 9C40.1 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-10. Use the ICD-11 to ICD-10 converter to search for related codes.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
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