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ICD-10-CM Current in FY 2027

C43.21

Malignant melanoma of right ear and external auricular canal

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where C43.21 sits in the official hierarchy. Each level is the code it is classified under.

  1. C43 Malignant melanoma of skin
  2. C43.2 Parent Malignant melanoma of ear and external auricular canal
  3. C43.21 This code Malignant melanoma of right ear and external auricular canal

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

melanoma in situ ( D03 .-)

Inherited from C43 — Malignant melanoma of skin

Excludes2

malignant melanoma of skin of genital organs (C51-C52, C60 .-, C63 .-)

Inherited from C43 — Malignant melanoma of skin

Excludes2

Merkel cell carcinoma ( C4A .-)

Inherited from C43 — Malignant melanoma of skin

Excludes2

sites other than skin-code to malignant neoplasm of the site

Inherited from C43 — Malignant melanoma of skin

Version History

How C43.21 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Malignant melanoma of right ear and external auricular canal

  2. FY 2026 Effective

    Unchanged

    Malignant melanoma of right ear and external auricular canal

Related Codes

Other codes under C43.2

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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