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U.S. ICD-10-CM · FY 2027

S91.201A ICD-10-CM Code: Unspecified open wound of right great toe with damage to nail, 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

S91.201A

Unspecified open wound of right great toe with damage to nail, initial encounter

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

Classification

Where S91.201A sits

  1. 1

    Chapter 19

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

  2. 2

    Section

    Injuries to the ankle and foot (S90-S99)

  3. 3

    Category S91

    Open wound of ankle, foot and toes

  4. 4

    Subcategory S91.201

    Unspecified open wound of right great toe with damage to nail

  5. 5

    Code S91.201A

    Unspecified open wound of right great toe with damage to nail, initial encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S91.201A.

Code first

No “code first” instruction is listed for S91.201A.

Use additional code

No “use additional code” instruction is listed for S91.201A.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S91.201A.

Excludes2

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

No Excludes2 note is listed for S91.201A.

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 S91.201A mean?

S91.201A is the FY 2027 U.S. ICD-10-CM code for “Unspecified open wound of right great toe with damage to nail, initial encounter.”

Is S91.201A a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, S91.201A 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 S91.201A located in ICD-10-CM?

S91.201A is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the ankle and foot (S90-S99) (S90–S99), under category S91, Open wound of ankle, foot and toes and subcategory S91.201, Unspecified open wound of right great toe with damage to nail.

What coding notes are listed for S91.201A?

No inclusion terms are listed for S91.201A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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