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U.S. ICD-10-CM · FY 2027

S86.099A ICD-10-CM Code: Other specified injury of unspecified Achilles tendon, initial encounter

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

Code definition

Official description

S86.099A

Other specified injury of unspecified Achilles tendon, initial encounter

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

Classification

Where S86.099A 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

    Subcategory S86.099

    Other specified injury of unspecified Achilles tendon

  5. 5

    Code S86.099A

    Other specified injury of unspecified Achilles tendon, initial encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S86.099A.

Code first

No “code first” instruction is listed for S86.099A.

Use additional code

No “use additional code” instruction is listed for S86.099A.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S86.099A.

Excludes2

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

No Excludes2 note is listed for S86.099A.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

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 S86.099A mean?

S86.099A is the FY 2027 U.S. ICD-10-CM code for “Other specified injury of unspecified Achilles tendon, initial encounter.”

Is S86.099A a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, S86.099A has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is S86.099A located in ICD-10-CM?

S86.099A 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 and subcategory S86.099, Other specified injury of unspecified Achilles tendon.

What coding notes are listed for S86.099A?

No inclusion terms are listed for S86.099A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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