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A26.0 ICD-10-CM Code: Cutaneous erysipeloid

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FY 2026 Apr update / Certain infectious and parasitic diseases (A00-B99) / Certain zoonotic bacterial diseases (A20-A28)

A26.0

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Cutaneous erysipeloid

Cutaneous erysipeloid is a skin infection caused by bacteria (usually from handling infected animals or contaminated materials) that causes red, swollen, painful areas on the skin, typically on the hands or fingers. It is a localized infection that primarily affects the outer layers of skin.

CMS-HCC V28

0

0

RAF 0

CMS-HCC V24

0

0

RAF 0

ACA/HHS

0

0

RAF 0

ESRD/PACE

0

0

RAF 0

RXHCC

0

0

RAF 0

Code Trumping

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Code Book Path

Official
A26Erysipeloid
A26.0Cutaneous erysipeloid

Inclusion Terms

Official
  • Erythema migrans

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for A26.0 in this effective period.

Related Child Codes

Official
A26.7Erysipelothrix sepsis
A26.8Other forms of erysipeloid
A26.9Erysipeloid, unspecified

Includes

Official

ICD-10-CM does not list Includes notes for A26.0 in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for A26.0 in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for A26.0 in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for A26.0 in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for A26.0 in this effective period.

Buddy Documentation Tip

HCC Buddy guidance
Verify the infection is limited to the skin (cutaneous) and not systemic; if the infection has spread to other body systems, consider codes A26.8 or A26.9 for systemic erysipeloid
Document the anatomical location of the skin lesion when possible, as this may support medical necessity and help differentiate from other skin conditions

Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.

Is A26.0 an HCC code?

No. A26.0 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

Coder workflow notes

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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A26.0 is the ICD-10-CM diagnosis code for cutaneous erysipeloid. Cutaneous erysipeloid is a skin infection caused by bacteria (usually from handling infected animals or contaminated materials) that causes red, swollen, painful areas on the skin, typically on the hands or fingers. It is a localized infection that primarily affects the outer layers of skin. A26.0 sits in the ICD-10-CM chapter for certain infectious and parasitic diseases (a00-b99), within the section covering certain zoonotic bacterial diseases (a20-a28).

A26.0 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

Verify the infection is limited to the skin (cutaneous) and not systemic; if the infection has spread to other body systems, consider codes A26.8 or A26.9 for systemic erysipeloid.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for A26.0 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

  • Verify the infection is limited to the skin (cutaneous) and not systemic; if the infection has spread to other body systems, consider codes A26.8 or A26.9 for systemic erysipeloid
  • Document the anatomical location of the skin lesion when possible, as this may support medical necessity and help differentiate from other skin conditions

Child Codes

Code Hierarchy

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