ICD-10-CM H21.342: Primary cyst of pars plana, left eye

Parent Code (Less Specific):

About ICD-10-CM Code H21.342 (Primary cyst of pars plana)

ICD-10-CM code H21.342 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 H21.342 became effective on October 1, 2024.

This page provides detailed information about H21.342 - Primary cyst of pars plana, left eye. 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 Primary cyst of pars plana related to left eye.