H21.50
Header — not billableUnspecified adhesions of iris
The ICD-10 code for unspecified adhesions of iris is H21.50.
H21.50 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.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Synechia (iris) NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- H21.51Anterior synechiae (iris)non-billable header
- H21.52Goniosynechiaenon-billable header
- H21.53Iridodialysisnon-billable header
- H21.54Posterior synechiae (iris)non-billable header
- H21.55Recession of chamber anglenon-billable header
- H21.56Pupillary abnormalitiesnon-billable header
- H21.50Unspecified adhesions of irisnon-billable header