2027 ICD-10-CM Diagnosis Code S79Other and unspecified injuries of hip and thigh

ICD-10-CM Codes›S00–T88›S70-S79›S79

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

S79 is a non-billable ICD-10-CM category code for other and unspecified injuries of hip and thigh, so it cannot be submitted on claims. Use a more specific code from this category instead, such as S79.001A, S79.001D, S79.001G, and S79.001K.

Code Identity

ICD-10-CM Code
S79
Billable Status
No — Non-Billable Category
Code Describes
Other and unspecified injuries of hip and thigh
Short Description
Other and unspecified injuries of hip and thigh
Same as the full description in the CMS dataset.
Chapter
S70-S79
Injuries to the hip and 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 CodeS79Other and unspecified injuries of hip and thigh

Specific Coding for Other and unspecified injuries of hip and thighOverview

Non-specific codes like S79 require more characters. Use one of these billable codes instead:

  • S79.0 for Physeal fracture of upper end of femur

  • S79.00 for Unspecified physeal fracture of upper end of femur

  • S79.01 for Salter-Harris Type I physeal fracture of upper end of femur

  • S79.09 for Other physeal fracture of upper end of femur

  • S79.1 for Physeal fracture of lower end of femur

  • S79.10 for Unspecified physeal fracture of lower end of femur

  • S79.11 for Salter-Harris Type I physeal fracture of lower end of femur

  • S79.12 for Salter-Harris Type II physeal fracture of lower end of femur

  • S79.13 for Salter-Harris Type III physeal fracture of lower end of femur

  • S79.14 for Salter-Harris Type IV physeal fracture of lower end of femur

  • S79.19 for Other physeal fracture of lower end of femur

  • S79.8 for Other specified injuries of hip and thigh

  • S79.81 for Other specified injuries of hip

  • S79.82 for Other specified injuries of thigh

  • S79.9 for Unspecified injury of hip and thigh

  • S79.91 for Unspecified injury of hip

  • S79.92 for Unspecified injury of thigh

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: its own notes plus those printed at 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.

On S79 itself
  • 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.

  • The appropriate 7th character is to be added to each code from subcategories S79.0 and S79.1
Values for category S79 Closed Fracture Encounter
  • Ainitial encounter for closed fracture
  • Dsubsequent encounter for fracture with routine healing
  • Gsubsequent encounter for fracture with delayed healing
  • Ksubsequent encounter for fracture with nonunion
  • Psubsequent encounter for fracture with malunion
  • Ssequela

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

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.

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 S79Overview

What is the ICD-10 code for other and unspecified injuries of hip and thigh?

S79 is the ICD-10-CM category for other and unspecified injuries of hip and thigh, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is S79 (Other and unspecified injuries of hip and thigh) a billable code?

No. This is a category header that groups the codes for other and unspecified injuries of hip and thigh, and headers cannot be submitted on claims. Claims for other and unspecified injuries of hip and thigh need a more specific code from this category, such as S79.001A, S79.001D, and S79.001G.