ICD-10-CM D04.121: Carcinoma in situ of skin of left upper eyelid, including canthus

Parent Code (Less Specific):

About ICD-10-CM Code D04.121 (Carcinoma in situ of skin of left upper eyelid)

ICD-10-CM code D04.121 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 D04.121 became effective on October 1, 2024.

This page provides detailed information about D04.121 - Carcinoma in situ of skin of left upper eyelid, including canthus. 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 Carcinoma in situ of skin of left upper eyelid related to including canthus.