Merkel cell carcinoma, overlapping sites
C4A.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM C4A.8 became effective on October 1, 2022.
This is the American ICD-10-CM version of C4A.8 – other international versions of ICD-10 C4A.8 may differ.