2027 ICD-10-CM Diagnosis Code S79.919SUnspecified injury of unspecified hip, sequela

ICD-10-CM Codes›S00–T88›S70-S79›S79

ICD-10-CM S79.919S
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S79.919S is a billable ICD-10-CM diagnosis code for unspecified injury of unspecified hip, 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 913 through 914. The code is exempt from POA reporting. Coders also document this condition as injury of bursa of hip. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.

Code Identity

ICD-10-CM Code
S79.919S
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified injury of unspecified hip, sequela
Short Description
Unspecified injury of unspecified hip, sequela
Same as the full description in the CMS dataset.
Parent Code
Unspecified injury of unspecified hip

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 CodeS79.919SUnspecified injury of unspecified hip, sequela

Present on Admission (POA)Billing

S79.919S 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).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Injury of bursa of hip
  • Injury of hip and thigh
  • Injury of hip region
  • Multiple injuries of hip

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 S79.919S: its own notes plus those printed at S79.9, 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 S79.9 Unspecified injury of hip and thigh applies to 18 codes
  • The appropriate 7th character is to be added to each code in subcategory S79.9
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
  • Ainitial encounter
  • Dsubsequent encounter
  • Ssequela this code

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

Patient EducationClinical

Hip Injuries and Disorders

Your hip is the joint where your femur (thigh bone) meets your pelvis (hip bone). There are two main parts: a ball at the end of the femur, which fits in a socket in the pelvis. Your hip is known as a ball-and-socket joint. This is because you have a ball at the end of your femur, and it fits into a socket in your pelvis.

Read the full article at MedlinePlus

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

Convert S79.919S to ICD-9-CMHistory

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

ICD-9-CM
908.9 Late effect injury NOS
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 S79.919SOverview

What is the ICD-10 code for unspecified injury of unspecified hip, sequela?

The ICD-10-CM code for unspecified injury of unspecified hip, sequela is S79.919S (sometimes written as S79919S). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S79.919S (Unspecified injury of unspecified hip) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified injury of unspecified hip, sequela on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character S in S79.919S mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the unspecified injury of unspecified hip itself has resolved, not the original event.

What MS-DRG does S79.919S group to?

When unspecified injury of unspecified hip, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 914, 913, with relative weights from 0.9281 to 1.5448 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S79.919S 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 unspecified injury of unspecified hip, sequela on inpatient claims. The code appears in the Injuries to the hip and thigh (S70-S79) range of the CMS exempt list.