2027 ICD-10-CM Diagnosis Code S84.22XDInjury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter

ICD-10-CM Codes›S00–T88›S80-S89›S84

ICD-10-CM S84.22XD
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S84.22XD is a billable ICD-10-CM diagnosis code for injury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter. The 7th character D marks it as a subsequent encounter code, used during routine care in the healing or recovery phase. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 949 through 950. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury to nerves, muscles and tendons, subsequent encounter.

Code Identity

ICD-10-CM Code
S84.22XD
Billable Status
Yes — Valid for Submission
Code Describes
Injury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter
Short Description
Inj cutan sensory nerve at lower leg level, left leg, subs
Parent Code
S84.22
Injury of cutaneous sensory nerve at lower leg level, left leg

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS80-S89Injuries to the knee and lower leg
CategoryS84Injury of nerves at lower leg level
This CodeS84.22XDInjury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter

Present on Admission (POA)Billing

S84.22XD is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the knee and lower leg (S80-S89).

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Injury of nerves at lower leg level (S84). 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 S84.22XD: its own notes plus those printed at S84, block S80-S89, 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 S84 Injury of nerves at lower leg level applies to 45 codes
  • injury of nerves at ankle and foot level (S94.-)
From Block S80-S89 Injuries to the knee and lower leg applies to 4,680 codes
  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
  • 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 S84 Injury of nerves at lower leg level applies to 45 codes
  • any associated open wound (S81.-)

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 S84 Injury of nerves at lower leg level applies to 45 codes
  • The appropriate 7th character is to be added to each code from category S84
Values for category S84 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter
  • Dsubsequent encounter this code
  • Ssequela

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

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name S84.22XD, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming S84.22XD: 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 lower leg level (S84.-) names S84.-, which includes this code

Clinical ClassificationClinical

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

CCSR INJ062
Injury to nerves, muscles and tendons, subsequent encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Leg Injuries and Disorders

Your legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, falling, or having an accident can damage your legs. Common leg injuries include sprains and strains, joint dislocations, and fractures (broken bones).

Read the full article at MedlinePlus

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

Convert S84.22XD to ICD-9-CMHistory

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

ICD-9-CM
V58.89 Other specfied aftercare
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 S84.22XDOverview

Is S84.22XD a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report injury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character D in S84.22XD mean?

The final character D marks a subsequent encounter: use it for routine care while the injury of cutaneous sensory nerve at lower leg level, left leg is healing, after active treatment has ended.

What MS-DRG does S84.22XD group to?

When injury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 950, 949, with relative weights from 0.7661 to 1.1231 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S84.22XD 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 cutaneous sensory nerve at lower leg level, left leg, subsequent encounter on inpatient claims. The code appears in the Injuries to the knee and lower leg (S80-S89) range of the CMS exempt list.

What is the ICD-9 equivalent of S84.22XD?

Under the General Equivalence Mappings, injury of cutaneous sensory nerve at lower leg level, left leg, subsequent encounter converts to ICD-9-CM V58.89 (other specfied aftercare). The mapping is approximate, so confirm the match fits the documentation.