ICD-10-CM H21.549: Posterior synechiae (iris), unspecified eye

Parent Code (Less Specific):

About ICD-10-CM Code H21.549 (Posterior synechiae)

ICD-10-CM code H21.549 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 H21.549 became effective on October 1, 2024.

This page provides detailed information about H21.549 - Posterior synechiae (iris), unspecified 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 Posterior synechiae related to unspecified eye.