U.S. ICD-10-CM · FY 2027

S86 ICD-10-CM Code: Injury of muscle, fascia and tendon at lower leg level

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

S86

Injury of muscle, fascia and tendon at lower leg level

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where S86 sits

  1. 1

    Chapter 19

    Injury, poisoning and certain other consequences of external causes (S00-T88)

  2. 2

    Section

    Injuries to the knee and lower leg (S80-S89)

  3. 3

    Category S86

    Injury of muscle, fascia and tendon at lower leg level

  4. 4

    Code S86

    Injury of muscle, fascia and tendon at lower leg level

More specific choices

Codes under S86

S86 is a non-billable category. Choose the child code that best matches the documented diagnosis.

S86.0

Injury of Achilles tendon

S86.1

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

S86.2

Injury of muscle(s) and tendon(s) of anterior muscle group at lower leg level

S86.3

Injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level

S86.8

Injury of other muscles and tendons at lower leg level

S86.9

Injury of unspecified muscle and tendon at lower leg level

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S86.

Code first

No “code first” instruction is listed for S86.

Use additional code

No “use additional code” instruction is listed for S86.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S86.

Excludes2

Conditions not included here that may be reported separately when present.

  • injury of muscle, fascia and tendon at ankle (S96.-)
  • injury of patellar ligament (tendon) (S76.1-)
  • sprain of joints and ligaments of knee (S83.-)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code S86 mean?

S86 is the FY 2027 U.S. ICD-10-CM code for “Injury of muscle, fascia and tendon at lower leg level.”

Is S86 a billable or specific ICD-10-CM code?

No. S86 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is S86 located in ICD-10-CM?

S86 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the knee and lower leg (S80-S89) (S80–S89), under category S86, Injury of muscle, fascia and tendon at lower leg level.

What coding notes are listed for S86?

No inclusion terms are listed for S86 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: injury of muscle, fascia and tendon at ankle (S96.-); injury of patellar ligament (tendon) (S76.1-); sprain of joints and ligaments of knee (S83.-).

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