10ICD Code Hub

H21.33

Header — not billable

Parasitic cyst of iris, ciliary body or anterior chamber

The ICD-10 code for parasitic cyst of iris, ciliary body or anterior chamber is H21.33.

H21.33 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under H21.33

Related codes in this category