Is C44.21 a billable code?
No. C44.21 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
C44.21: Basal cell carcinoma of skin of ear and external auricular canal
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
C44.21 groups related diagnoses under basal cell carcinoma of skin of ear and external auricular canal. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under C44.21
- C44.211Basal cell carcinoma of skin of unspecified ear and external auricular canal
- C44.212Basal cell carcinoma of skin of right ear and external auricular canal
- C44.219Basal cell carcinoma of skin of left ear and external auricular canal
Other codes in C44.2 Other and unspecified malignant neoplasm of skin of ear and external auricular canal
C44.21 questions
What does C44.21 mean?
C44.21 is the ICD-10-CM code for Basal cell carcinoma of skin of ear and external auricular canal. It is in chapter 2, Neoplasms (C00-D49).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.