H21.559

H21.559: Recession of chamber angle, unspecified eye

Billable / specific codeICD-10-CMunspecified

H21.559 is a billable, specific ICD-10-CM code for recession of chamber angle, unspecified eye. It is valid for submission on a claim.

Check H21.559 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above H21.559

A category’s note binds every code beneath it.

Written on H21.5: Other and unspecified adhesions and disruptions of iris and ciliary body

corectopia (Q13.2)

Excludes2 inherited from the categories above H21.559

Not part of this code, but both may be coded when both are present.

Written on H21: Other disorders of iris and ciliary body

sympathetic uveitis (H44.1-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H21.559 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
A57637Billing and Coding: Visual Field Examination

Code history

Unchanged in every release from FY2024 to FY2027.