2027 ICD-10-CM Diagnosis Code S79.822DOther specified injuries of left thigh, subsequent encounter

ICD-10-CM Codes›S00–T88›S70-S79›S79

ICD-10-CM S79.822D
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S79.822D is a billable ICD-10-CM diagnosis code for other specified injuries of left thigh, 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 Other specified injury, subsequent encounter.

Code Identity

ICD-10-CM Code
S79.822D
Billable Status
Yes — Valid for Submission
Code Describes
Other specified injuries of left thigh, subsequent encounter
Short Description
Other specified injuries of left thigh, subsequent encounter
Same as the full description in the CMS dataset.
Parent Code
S79.822
Other specified injuries of left thigh

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS70-S79Injuries to the hip and thigh
CategoryS79Other and unspecified injuries of hip and thigh
This CodeS79.822DOther specified injuries of left thigh, subsequent encounter

Present on Admission (POA)Billing

S79.822D is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the hip and thigh (S70-S79).

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Other and unspecified injuries of hip and thigh (S79). 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 S79.822D: its own notes plus those printed at S79.8, S79, block S70-S79, 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 S70-S79 Injuries to the hip and thigh applies to 3,546 codes
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.-)

Notes

General instructions on how these codes are used.

From S79 Other and unspecified injuries of hip and thigh applies to 198 codes
  • A fracture not indicated as open or closed should be coded to closed
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 S79.8 Other specified injuries of hip and thigh applies to 18 codes
  • The appropriate 7th character is to be added to each code in subcategory S79.8
From S79 Other and unspecified injuries of hip and thigh applies to 198 codes
  • The appropriate 7th character is to be added to each code from subcategories S79.0 and S79.1
Values for category S79.8 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter
  • Dsubsequent encounter this code
  • Ssequela

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

Clinical ClassificationClinical

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

CCSR INJ063
Other specified injury, 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 S79.822D 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 S79.822DOverview

What is the ICD-10 code for other specified injuries of left thigh, subsequent encounter?

The ICD-10-CM code for other specified injuries of left thigh, subsequent encounter is S79.822D (sometimes written as S79822D). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S79.822D (Other specified injuries of left thigh) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified injuries of left thigh, subsequent encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character D in S79.822D mean?

The final character D marks a subsequent encounter: use it for routine care while the other specified injuries of left thigh is healing, after active treatment has ended.

What MS-DRG does S79.822D group to?

When other specified injuries of left thigh, 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 S79.822D 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 other specified injuries of left thigh, subsequent encounter on inpatient claims. The code appears in the Injuries to the hip and thigh (S70-S79) range of the CMS exempt list.