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ICD-10-CM codes
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ICD-10-CM
ICD-10-CM codes
Neoplasms (C00-D49)
C43-C44
C4A
C4A.2
ICD-10-CM code "C4A.2": Merkel cell carcinoma of ear and external auricular canal (2024)
Overview
ICD-10 Code
C4A.2
Description
Merkel cell carcinoma of ear and external auricular canal
Hierarchy
Neoplasms (C00-D49)
Melanoma and other malignant neoplasms of skin (C43-C44)
Merkel cell carcinoma (C4A)
Merkel cell carcinoma of ear and external auricular canal (C4A.2)
Billable status
Non billable code
Excludes
Neoplasms (C00-D49)
Melanoma and other malignant neoplasms of skin (C43-C44)
Merkel cell carcinoma (C4A)
Merkel cell carcinoma of ear and external auricular canal (C4A.2)
Includes
Neoplasms (C00-D49)
Melanoma and other malignant neoplasms of skin (C43-C44)
Merkel cell carcinoma (C4A)
Merkel cell carcinoma of ear and external auricular canal (C4A.2)
Subcategories
Merkel cell carcinoma of unspecified ear and external auricular canal (C4A.20)
Merkel cell carcinoma of right ear and external auricular canal (C4A.21)
Merkel cell carcinoma of left ear and external auricular canal (C4A.22)