ICD-10-CM H21.309: Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye

ICD-10-CM Diagnosis Code (2025)

Official Description for H21.309

Idiopathic cysts of iris, ciliary body or anterior chamber, unspecified eye

Parent Code (Less Specific):

About ICD-10-CM Code H21.309 (Idiopathic cysts of iris)

ICD-10-CM code H21.309 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 H21.309 became effective on October 1, 2024.

This page provides detailed information about H21.309 - Idiopathic cysts of iris, ciliary body or anterior chamber, 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 Idiopathic cysts of iris related to ciliary body or anterior chamber, unspecified eye.