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U.S. ICD-10-CM · FY 2027

S80.229A ICD-10-CM Code: Blister (nonthermal), unspecified knee, 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

S80.229A

Blister (nonthermal), unspecified knee, initial encounter

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

Classification

Where S80.229A 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 S80

    Superficial injury of knee and lower leg

  4. 4

    Subcategory S80.229

    Blister (nonthermal), unspecified knee

  5. 5

    Code S80.229A

    Blister (nonthermal), unspecified knee, initial encounter

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for S80.229A.

Code first

No “code first” instruction is listed for S80.229A.

Use additional code

No “use additional code” instruction is listed for S80.229A.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for S80.229A.

Excludes2

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

No Excludes2 note is listed for S80.229A.

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 S80.229A mean?

S80.229A is the FY 2027 U.S. ICD-10-CM code for “Blister (nonthermal), unspecified knee, initial encounter.”

Is S80.229A a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, S80.229A 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 S80.229A located in ICD-10-CM?

S80.229A 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 S80, Superficial injury of knee and lower leg and subcategory S80.229, Blister (nonthermal), unspecified knee.

What coding notes are listed for S80.229A?

No inclusion terms are listed for S80.229A in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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