2021 ICD-10-CM Diagnosis Code S86.11

Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • S86.11 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 musc/tend posterior grp at lower leg level
  • The 2021 edition of ICD-10-CM S86.11 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of S86.11 - other international versions of ICD-10 S86.11 may differ.
The following code(s) above S86.11 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 S86.11:
  • S00-T88
    2021 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
  • S80-S89
    2021 ICD-10-CM Range S80-S89

    Injuries to the knee and lower leg

    Type 2 Excludes
    • burns and corrosions (T20-T32)
    • frostbite (T33-T34)
    • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
    • insect bite or sting, venomous (T63.4)
    Injuries to the knee and lower leg
  • S86
    ICD-10-CM Diagnosis Code S86

    Injury of muscle, fascia and tendon at lower leg level

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code Also
    • any associated open wound (S81.-)
    Type 2 Excludes
    • injury of muscle, fascia and tendon at ankle (S96.-)
    • injury of patellar ligament (tendon) (S76.1-)
    • sprain of joints and ligaments of knee (S83.-)
    Injury of muscle, fascia and tendon at lower leg 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
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to S86.11:
  • 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 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Injury NOS
    • muscle (and fascia) (and tendon)
      • posterior muscle (group)
        • leg level (lower) S86.10-
          ICD-10-CM Diagnosis Code S86.10-

          Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level

            2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
          • strain S86.11-

ICD-10-CM Codes Adjacent To S86.11
S86.101D …… subsequent encounter
S86.101S …… sequela
S86.102 Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg
S86.102A …… initial encounter
S86.102D …… subsequent encounter
S86.102S …… sequela
S86.109 Unspecified injury of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg
S86.109A …… initial encounter
S86.109D …… subsequent encounter
S86.109S …… sequela
S86.11 Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level
S86.111 Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, right leg
S86.111A …… initial encounter
S86.111D …… subsequent encounter
S86.111S …… sequela
S86.112 Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, left leg
S86.112A …… initial encounter
S86.112D …… subsequent encounter
S86.112S …… sequela
S86.119 Strain of other muscle(s) and tendon(s) of posterior muscle group at lower leg level, unspecified leg
S86.119A …… initial encounter

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