ICD-10-CM Diagnosis Code (2025)
Official Description for C4A.0
Merkel cell carcinoma of lip
Coding Notes & Guidelines for C4A.0
Excludes1: Not Coded Here
malignant neoplasm of vermilion border of lip (C00.0-C00.2)
Parent Code (Less Specific):
About ICD-10-CM Code C4A.0 (Merkel cell carcinoma of lip)
ICD-10-CM code C4A.0 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 C4A.0 became effective on October 1, 2024.
This page provides detailed information about C4A.0 - Merkel cell carcinoma of lip. 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 Merkel cell carcinoma of lip.