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S04Injury of cranial nerve

ICD-10-CM category (non-billable header) code — part of Injuries to the head (S00-S09)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88)
Section	Injuries to the head (S00-S09)

Valid 7th Characters

A	initial encounter
D	subsequent encounter
S	sequela

Coding Notes

Inclusion Terms

The selection of side should be based on the side of the body being affected

Code First

any associated intracranial injury (S06.-)

Code Also

any associated:
open wound of head (S01.-)
skull fracture (S02.-)

7th Character Note

The appropriate 7th character is to be added to each code from category S04

Subcategories (10)

S04.0 Injury of optic nerve and pathways
S04.1 Injury of oculomotor nerve
S04.2 Injury of trochlear nerve
S04.3 Injury of trigeminal nerve
S04.4 Injury of abducent nerve
S04.5 Injury of facial nerve
S04.6 Injury of acoustic nerve
S04.7 Injury of accessory nerve
S04.8 Injury of other cranial nerves
S04.9 Injury of unspecified cranial nerve

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