2026 ICD-10-CM Diagnosis Code S94Injury of nerves at ankle and foot level

ICD-10-CM Codes›S00–T88›S90-S99›S94

ICD-10-CM S94
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S94 is a non-billable ICD-10-CM category code for injury of nerves at ankle and foot level, so it cannot be submitted on claims. Use a more specific code from this category instead, such as S94.00XA, S94.00XD, S94.00XS, and S94.01XA.

Code Identity

ICD-10-CM Code
S94
Billable Status
No — Non-Billable Category
Code Describes
Injury of nerves at ankle and foot level
Short Description
Injury of nerves at ankle and foot level
Same as the full description in the CMS dataset.
Chapter
S90-S99
Injuries to the ankle and foot

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS90-S99Injuries to the ankle and foot
CategoryS94Injury of nerves at ankle and foot level
This CodeS94Injury of nerves at ankle and foot level

Specific Coding for Injury of nerves at ankle and foot levelOverview

Non-specific codes like S94 require more characters. Use one of these billable codes instead:

  • S94.0 for Injury of lateral plantar nerve

  • S94.00 for Injury of lateral plantar nerve, unspecified leg

  • S94.01 for Injury of lateral plantar nerve, right leg

  • S94.02 for Injury of lateral plantar nerve, left leg

  • S94.1 for Injury of medial plantar nerve

  • S94.10 for Injury of medial plantar nerve, unspecified leg

  • S94.11 for Injury of medial plantar nerve, right leg

  • S94.12 for Injury of medial plantar nerve, left leg

  • S94.2 for Injury of deep peroneal nerve at ankle and foot level

  • S94.20 for Injury of deep peroneal nerve at ankle and foot level, unspecified leg

  • S94.21 for Injury of deep peroneal nerve at ankle and foot level, right leg

  • S94.22 for Injury of deep peroneal nerve at ankle and foot level, left leg

  • S94.3 for Injury of cutaneous sensory nerve at ankle and foot level

  • S94.30 for Injury of cutaneous sensory nerve at ankle and foot level, unspecified leg

  • S94.31 for Injury of cutaneous sensory nerve at ankle and foot level, right leg

  • S94.32 for Injury of cutaneous sensory nerve at ankle and foot level, left leg

  • S94.8 for Injury of other nerves at ankle and foot level

  • S94.8X for Injury of other nerves at ankle and foot level

  • S94.9 for Injury of unspecified nerve at ankle and foot level

  • S94.90 for Injury of unspecified nerve at ankle and foot level, unspecified leg

  • S94.91 for Injury of unspecified nerve at ankle and foot level, right leg

  • S94.92 for Injury of unspecified nerve at ankle and foot level, left leg

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Injury of nerves at ankle and foot level (S94). Use the following options for the applicable episode of care:

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

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026, published by CMS and the National Center for Health Statistics.

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Code Also

  • any associated open wound S91

7th Character Note

  • The appropriate 7th character is to be added to each code from category S94

7th Character

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

Patient EducationClinical

Ankle Injuries and Disorders

Your ankle bone and the ends of your two lower leg bones make up the ankle joint. Your ligaments, which connect bones to one another, stabilize and support it. Your muscles and tendons move it.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About S94Overview

Is S94 (Injury of nerves at ankle and foot level) a billable code?

No. This is a category header that groups the codes for injury of nerves at ankle and foot level, and headers cannot be submitted on claims. Claims for injury of nerves at ankle and foot level need a more specific code from this category, such as S94.00XA, S94.00XD, and S94.00XS.