ICD-10-CM code "C4A.21": Merkel cell carcinoma of right ear and external auricular canal (2024)

Overview

ICD-10 CodeC4A.21
DescriptionMerkel cell carcinoma of right ear and external auricular canal
Hierarchy
  1. Neoplasms (C00-D49)
  2. Melanoma and other malignant neoplasms of skin (C43-C44)
  3. Merkel cell carcinoma (C4A)
  4. Merkel cell carcinoma of ear and external auricular canal (C4A.2)
  5. Merkel cell carcinoma of right ear and external auricular canal (C4A.21)
Billable statusICD-10-CM Billable code

Excludes

  1. Neoplasms (C00-D49)
  2. Melanoma and other malignant neoplasms of skin (C43-C44)
  3. Merkel cell carcinoma (C4A)
  4. Merkel cell carcinoma of ear and external auricular canal (C4A.2)
  5. Merkel cell carcinoma of right ear and external auricular canal (C4A.21)

Includes

  1. Neoplasms (C00-D49)
  2. Melanoma and other malignant neoplasms of skin (C43-C44)
  3. Merkel cell carcinoma (C4A)
  4. Merkel cell carcinoma of ear and external auricular canal (C4A.2)
  5. Merkel cell carcinoma of right ear and external auricular canal (C4A.21)