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3. Chapter - C00-D49
4. Section - C43-C44
5. Category - C43
6. C43.21

C43.21 - Malignant melanoma of right ear and external auricular canal

• Applicable to Malignant melanoma of right ear and external auricular canal
• The 2025 edition of ICD10-CM C43.21 became effective on October 1, 2024.
• This is the American ICD10-CM version of C43.21 - other international versions of ICD10 C43.21 may differ.
• C43.21 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above C43.21 contain annotation back-references that may be applicable to C43.21:

• Chapter: C00-D49 - Neoplasms
• Section: C43-C44 - Melanoma and other malignant neoplasms of skin
• Category: C43 - Malignant melanoma of skin

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.