2023 ICD-10-CM Diagnosis Code S79.921A

Unspecified injury of right thigh, initial encounter

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • S79.921A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM S79.921A became effective on October 1, 2022.
  • This is the American ICD-10-CM version of S79.921A - other international versions of ICD-10 S79.921A may differ.
The following code(s) above S79.921A contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to S79.921A:
  • S00-T88
    2023 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    • 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
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • S70-S79
    2023 ICD-10-CM Range S70-S79

    Injuries to the hip and thigh

    Type 2 Excludes
    Injuries to the hip and thigh
  • S79
    ICD-10-CM Diagnosis Code S79

    Other and unspecified injuries of hip and thigh

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    • A fracture not indicated as open or closed should be coded to closed
    Other and unspecified injuries of hip and thigh
Approximate Synonyms
  • Right thigh injury
ICD-10-CM S79.921A is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 913 Traumatic injury with mcc
  • 914 Traumatic injury without mcc
  • 963 Other multiple significant trauma with mcc
  • 964 Other multiple significant trauma with cc
  • 965 Other multiple significant trauma without cc/mcc

Convert S79.921A to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To S79.921A
S79.912 Unspecified injury of left hip
S79.912A …… initial encounter
S79.912D …… subsequent encounter
S79.912S …… sequela
S79.919 Unspecified injury of unspecified hip
S79.919A …… initial encounter
S79.919D …… subsequent encounter
S79.919S …… sequela
S79.92 Unspecified injury of thigh
S79.921 Unspecified injury of right thigh
S79.921A …… initial encounter
S79.921D …… subsequent encounter
S79.921S …… sequela
S79.922 Unspecified injury of left thigh
S79.922A …… initial encounter
S79.922D …… subsequent encounter
S79.922S …… sequela
S79.929 Unspecified injury of unspecified thigh
S79.929A …… initial encounter
S79.929D …… subsequent encounter
S79.929S …… sequela

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.