ICD-10-CM Current in FY 2027

S04.51

Injury of facial nerve, right side

Release: FY 2027
Effective: October 1, 2026

Official source

Hierarchy

Where S04.51 sits in the official hierarchy. Each level is the code it is classified under.

S04 Injury of cranial nerve
S04.5 Parent Injury of facial nerve
S04.51 This code Injury of facial nerve, right side

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Code First

any associated intracranial injury ( S06 .-)

Inherited from S04 — Injury of cranial nerve

Code Also

any associated:

Inherited from S04 — Injury of cranial nerve

Code Also

open wound of head ( S01 .-)

Inherited from S04 — Injury of cranial nerve

Code Also

skull fracture ( S02 .-)

Inherited from S04 — Injury of cranial nerve

7th Character

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

Inherited from S04 — Injury of cranial nerve

7th Character

A - initial encounter

Inherited from S04 — Injury of cranial nerve

7th Character

D - subsequent encounter

Inherited from S04 — Injury of cranial nerve

7th Character

S - sequela

Inherited from S04 — Injury of cranial nerve

More Specific Codes

3 codes under S04.51

Version History

How S04.51 appears in each release imported from the official files, newest first.

FY 2027 Effective October 1, 2026
Current

Injury of facial nerve, right side
FY 2026 Effective October 1, 2025
Unchanged

Injury of facial nerve, right side

Other codes under S04.5

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release: FY 2027
Effective: October 1, 2026
Source file: icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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