S04 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Injury of cranial nerve.
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The selection of side should be based on the side of the body being affected
Any associated intracranial injury (S06.-)
The appropriate 7th character is to be added to each code from category S04
A: initial encounter
D: subsequent encounter
S: sequela
Injury of optic nerve and pathways
Injury of oculomotor nerve
Injury of trochlear nerve
Injury of trigeminal nerve
Injury of abducent nerve
Injury of facial nerve
Injury of acoustic nerve
Injury of accessory nerve
Injury of other cranial nerves
Injury of unspecified cranial nerve
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