MCMedicalCodingSoftware
C44.2

C44.2: Other and unspecified malignant neoplasm of skin of ear and external auricular canal

Non-billable headerICD-10-CMunspecified

C44.2 is a non-billable header ICD-10-CM code for other and unspecified malignant neoplasm of skin of ear and external auricular canal. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • connective tissue of ear (C49.0)

Excludes1 inherited from the categories above C44.2

A category’s note binds every code beneath it.

Written on C44: Other and unspecified malignant neoplasm of skin

  • Kaposi's sarcoma of skin (C46.0)
  • malignant melanoma of skin (C43.-)
  • malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)
  • Merkel cell carcinoma (C4A.-)

Other codes that can never be billed with C44.2

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • C30.1Malignant neoplasm of middle ear
  • C76Malignant neoplasm of other and ill-defined sites

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead C44.2

4 child codes. Green means billable.

Other codes under C44

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.