ICD-10-CM Z85.821: Personal history of Merkel cell carcinoma

ICD-10-CM Diagnosis Code (2025)

Official Description for Z85.821

Personal history of Merkel cell carcinoma

Coding Notes & Guidelines for Z85.821

Inclusion Terms

Conditions classifiable to C4A

Parent Code (Less Specific):

About ICD-10-CM Code Z85.821 (Personal history of Merkel cell carcinoma)

ICD-10-CM code Z85.821 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z85.821 became effective on October 1, 2024.

This page provides detailed information about Z85.821 - Personal history of Merkel cell carcinoma. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Personal history of Merkel cell carcinoma.