S04.9
Billable codeInjury of unspecified cranial nerve
The ICD-10 code for injury of unspecified cranial nerve is S04.9.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- S04.0Injury of optic nerve and pathwaysnon-billable header
- S04.1Injury of oculomotor nervenon-billable header
- S04.2Injury of trochlear nervenon-billable header
- S04.3Injury of trigeminal nervenon-billable header
- S04.4Injury of abducent nervenon-billable header
- S04.5Injury of facial nervenon-billable header
- S04.6Injury of acoustic nervenon-billable header
- S04.7Injury of accessory nervenon-billable header
- S04.8Injury of other cranial nervesnon-billable header
- S04.9Injury of unspecified cranial nerve