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.
Other codes that can never be billed with C44.2
Their own Excludes1 notes name this code, so the conflict is not listed above.
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.
- C44.20Unspecified malignant neoplasm of skin of ear and external auricular canal
- C44.21Basal cell carcinoma of skin of ear and external auricular canal
- C44.22Squamous cell carcinoma of skin of ear and external auricular canal
- C44.29Other specified malignant neoplasm of skin of ear and external auricular canal
Other codes under C44
- C44.0Other and unspecified malignant neoplasm of skin of lip
- C44.1Other and unspecified malignant neoplasm of skin of eyelid, including canthus
- C44.3Other and unspecified malignant neoplasm of skin of other and unspecified parts of face
- C44.4Other and unspecified malignant neoplasm of skin of scalp and neck
- C44.5Other and unspecified malignant neoplasm of skin of trunk
- C44.6Other and unspecified malignant neoplasm of skin of upper limb, including shoulder
- C44.7Other and unspecified malignant neoplasm of skin of lower limb, including hip
- C44.8Other and unspecified malignant neoplasm of overlapping sites of skin
- C44.9Other and unspecified malignant neoplasm of skin, unspecified