2027 ICD-10-CM Diagnosis Code S94.8X2SInjury of other nerves at ankle and foot level, left leg, sequela

ICD-10-CM Codes›S00–T88›S90-S99›S94

ICD-10-CM S94.8X2S
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S94.8X2S is a billable ICD-10-CM diagnosis code for injury of other nerves at ankle and foot level, left leg, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 91 through 93. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.

Code Identity

ICD-10-CM Code
S94.8X2S
Billable Status
Yes — Valid for Submission
Code Describes
Injury of other nerves at ankle and foot level, left leg, sequela
Short Description
Injury of nerves at ankle and foot level, left leg, sequela
Parent Code
Injury of other nerves at ankle and foot level, left leg

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 CodeS94.8X2SInjury of other nerves at ankle and foot level, left leg, sequela

Present on Admission (POA)Billing

S94.8X2S is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the ankle and foot (S90-S99).

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 2027, published by CMS and the National Center for Health Statistics.

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to S94.8X2S: its own notes plus those printed at S94, block S90-S99, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block S90-S99 Injuries to the ankle and foot applies to 3,324 codes
  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • code to identify any retained foreign body, if applicable (Z18.-)

Code Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From S94 Injury of nerves at ankle and foot level applies to 54 codes
  • any associated open wound (S91.-)

Notes

General instructions on how these codes are used.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

7th Character

Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.

From S94 Injury of nerves at ankle and foot level applies to 54 codes
  • The appropriate 7th character is to be added to each code from category S94
  • Ainitial encounter
  • Dsubsequent encounter
  • Ssequela this code

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name S94.8X2S, its category, or a range that includes it.

Excludes2 2

These codes carry an Excludes2 note naming S94.8X2S: its condition is not part of those codes, and both may be reported when the patient has both.

  • S74 Injury of nerves at hip and thigh level
    injury of nerves at ankle and foot level (S94.-) names S94.-, which includes this code
  • S84 Injury of nerves at lower leg level
    injury of nerves at ankle and foot level (S94.-) names S94.-, which includes this code

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ073
Injury, sequela
Default principal diagnosis: inpatient Yes · outpatient Yes

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.

Convert S94.8X2S to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
907.5 Lt eff nerv inj pelv/leg
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About S94.8X2SOverview

What is the ICD-10 code for injury of other nerves at ankle and foot level, left leg, sequela?

The ICD-10-CM code for injury of other nerves at ankle and foot level, left leg, sequela is S94.8X2S (sometimes written as S948X2S). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S94.8X2S (Injury of other nerves at ankle and foot level, left leg) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report injury of other nerves at ankle and foot level, left leg, sequela on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character S in S94.8X2S mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the injury of other nerves at ankle and foot level, left leg itself has resolved, not the original event.

What MS-DRG does S94.8X2S group to?

When injury of other nerves at ankle and foot level, left leg, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 91, 92, 93, with relative weights from 0.7783 to 1.7050 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S94.8X2S exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for injury of other nerves at ankle and foot level, left leg, sequela on inpatient claims. The code appears in the Injuries to the ankle and foot (S90-S99) range of the CMS exempt list.