S04.9 Injury of unspecified cranial nerve

Non-billable ICD-10-CM code.

Applies from S04 Injury of cranial nerve

Applicable to

• 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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to S04.9

Back-references to S04

• Code Also: G96.00 Cerebrospinal fluid leak, unspecified ("head injury (S00-S09)")
• Code Also: G96.08 Other cranial cerebrospinal fluid leak ("head injury (S00 - S09)")
• Code Also: G96.09 Other spinal cerebrospinal fluid leak ("head injury (S00 - S09)")
• Code Also: S01 Open wound of head ("injury of cranial nerve (S04.-)")

Diagnosis Index entries for S04.9

• Injury › nerve NEC › cranial
• Injury › nerve NEC › cranial › contusion
• Injury › nerve NEC › cranial › laceration
• Injury › nerve NEC › cranial › specified › type NEC

Nearby codes

• S04.892S Injury of other cranial nerves, left side, sequela
• S04.899 Injury of other cranial nerves, unspecified side
• S04.899A Injury of other cranial nerves, unspecified side, initial encounter
• S04.899D Injury of other cranial nerves, unspecified side, subsequent encounter
• S04.899S Injury of other cranial nerves, unspecified side, sequela
• S04.9 Injury of unspecified cranial nerve (this code)
• S04.9XXA Injury of unspecified cranial nerve, initial encounter
• S04.9XXD Injury of unspecified cranial nerve, subsequent encounter
• S04.9XXS Injury of unspecified cranial nerve, sequela