2024 ICD-10-CM Diagnosis Code C43.2

Malignant melanoma of ear and external auricular canal

  • C43.2 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM C43.2 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of C43.2 – other international versions of ICD-10 C43.2 may differ.

The following code(s) above C43.2 contain annotation back-references

 that may be applicable to C43.2:

  • C00-D49  Neoplasms
  • C43  Malignant melanoma of skin

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to C43.2:

Diagnosis Index entries containing back-references to C43.2:

  • Melanoma (malignant) C43.9
    • skinC43.9
      • auditory canal C43.2- (external)
      • auricle C43.2- (ear)
      • auricular canal C43.2- (external)
      • ear C43.2- (external)
      • external meatus C43.2- (ear)
      • helix C43.2-
      • pinna C43.2-