2020 ICD-10-CM Diagnosis Code S96.21

Strain of intrinsic muscle and tendon at ankle and foot level

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • S96.21 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Strain of intrinsic msl/tnd at ankle and foot level
  • The 2020 edition of ICD-10-CM S96.21 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of S96.21 - other international versions of ICD-10 S96.21 may differ.
The following code(s) above S96.21 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 S96.21:
  • S00-T88
    2020 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • 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
  • S90-S99
    2020 ICD-10-CM Range S90-S99

    Injuries to the ankle and foot

    Type 2 Excludes
    • burns and corrosions (T20-T32)
    • fracture of ankle and malleolus (S82.-)
    • frostbite (T33-T34)
    • insect bite or sting, venomous (T63.4)
    Injuries to the ankle and foot
  • S96
    ICD-10-CM Diagnosis Code S96

    Injury of muscle and tendon at ankle and foot level

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code Also
    • any associated open wound (S91.-)
    Type 2 Excludes
    • injury of Achilles tendon (S86.0-)
    • sprain of joints and ligaments of ankle and foot (S93.-)
    Injury of muscle and tendon at ankle and foot level
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

Diagnosis Index entries containing back-references to S96.21:
  • Injury T14.90
    - see also specified injury type
    ICD-10-CM Diagnosis Code T14.90

    Injury, unspecified

      2016 2017 2018 - Converted to Parent Code 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Injury NOS
    • muscle (and fascia) (and tendon)
      • foot S96.90-
        ICD-10-CM Diagnosis Code S96.90-

        Unspecified injury of unspecified muscle and tendon at ankle and foot level

          2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
        • intrinsic S96.20-
          ICD-10-CM Diagnosis Code S96.20-

          Unspecified injury of intrinsic muscle and tendon at ankle and foot level

            2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
          • strain S96.21-

ICD-10-CM Codes Adjacent To S96.21
S96.201D …… subsequent encounter
S96.201S …… sequela
S96.202 Unspecified injury of intrinsic muscle and tendon at ankle and foot level, left foot
S96.202A …… initial encounter
S96.202D …… subsequent encounter
S96.202S …… sequela
S96.209 Unspecified injury of intrinsic muscle and tendon at ankle and foot level, unspecified foot
S96.209A …… initial encounter
S96.209D …… subsequent encounter
S96.209S …… sequela
S96.21 Strain of intrinsic muscle and tendon at ankle and foot level
S96.211 Strain of intrinsic muscle and tendon at ankle and foot level, right foot
S96.211A …… initial encounter
S96.211D …… subsequent encounter
S96.211S …… sequela
S96.212 Strain of intrinsic muscle and tendon at ankle and foot level, left foot
S96.212A …… initial encounter
S96.212D …… subsequent encounter
S96.212S …… sequela
S96.219 Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot
S96.219A …… initial encounter

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