ICD-10 Code H21.333 - Parasitic cyst of iris, ciliary body or anterior chamber, bilateral

ICD-10-CM Diagnosis Code H21.333

Diagnosis Code: H21.333 (Raw: H21333)

Description: Parasitic cyst of iris, ciliary body or anterior chamber, bilateral

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code H21.333 is designated for Parasitic cyst of iris, ciliary body or anterior chamber, bilateral. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.