ICD-10-CM · Chapter 19 · S00-T88
S04 Injury of cranial nerve
Includes
- The selection of side should be based on the side of the body being affected
Code Also
- any associated:
- open wound of head (S01.-)
- skull fracture (S02.-)
Code First
- any associated intracranial injury (S06.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| S04..0 | Injury of optic nerve and pathways | No |
| S04..01 | Injury of optic nerve | No |
| S04..011 | Injury of optic nerve, right eye | No |
| S04..012 | Injury of optic nerve, left eye | No |
| S04..019 | Injury of optic nerve, unspecified eye | No |
| S04..02 | Injury of optic chiasm | No |
| S04..03 | Injury of optic tract and pathways | No |
| S04..031 | Injury of optic tract and pathways, right side | No |
| S04..032 | Injury of optic tract and pathways, left side | No |
| S04..039 | Injury of optic tract and pathways, unspecified side | No |
| S04..04 | Injury of visual cortex | No |
| S04..041 | Injury of visual cortex, right side | No |
| S04..042 | Injury of visual cortex, left side | No |
| S04..049 | Injury of visual cortex, unspecified side | No |
| S04..1 | Injury of oculomotor nerve | No |
| S04..10 | Injury of oculomotor nerve, unspecified side | No |
| S04..11 | Injury of oculomotor nerve, right side | No |
| S04..12 | Injury of oculomotor nerve, left side | No |
| S04..2 | Injury of trochlear nerve | No |
| S04..20 | Injury of trochlear nerve, unspecified side | No |
| S04..21 | Injury of trochlear nerve, right side | No |
| S04..22 | Injury of trochlear nerve, left side | No |
| S04..3 | Injury of trigeminal nerve | No |
| S04..30 | Injury of trigeminal nerve, unspecified side | No |
| S04..31 | Injury of trigeminal nerve, right side | No |
| S04..32 | Injury of trigeminal nerve, left side | No |
| S04..4 | Injury of abducent nerve | No |
| S04..40 | Injury of abducent nerve, unspecified side | No |
| S04..41 | Injury of abducent nerve, right side | No |
| S04..42 | Injury of abducent nerve, left side | No |
| S04..5 | Injury of facial nerve | No |
| S04..50 | Injury of facial nerve, unspecified side | No |
| S04..51 | Injury of facial nerve, right side | No |
| S04..52 | Injury of facial nerve, left side | No |
| S04..6 | Injury of acoustic nerve | No |
| S04..60 | Injury of acoustic nerve, unspecified side | No |
| S04..61 | Injury of acoustic nerve, right side | No |
| S04..62 | Injury of acoustic nerve, left side | No |
| S04..7 | Injury of accessory nerve | No |
| S04..70 | Injury of accessory nerve, unspecified side | No |
| S04..71 | Injury of accessory nerve, right side | No |
| S04..72 | Injury of accessory nerve, left side | No |
| S04..8 | Injury of other cranial nerves | No |
| S04..81 | Injury of olfactory [1st ] nerve | No |
| S04..811 | Injury of olfactory [1st ] nerve, right side | No |
| S04..812 | Injury of olfactory [1st ] nerve, left side | No |
| S04..819 | Injury of olfactory [1st ] nerve, unspecified side | No |
| S04..89 | Injury of other cranial nerves | No |
| S04..891 | Injury of other cranial nerves, right side | No |
| S04..892 | Injury of other cranial nerves, left side | No |
| S04..899 | Injury of other cranial nerves, unspecified side | No |
| S04..9 | Injury of unspecified cranial nerve | No |
Last reviewed: September 2026