MCMedicalCodingSoftware
H33.009

H33.009Unspecified retinal detachment with retinal break, unspecified eye

Billable / specific codeICD-10-CMunspecified

H33.009 is a billable, specific ICD-10-CM code for unspecified retinal detachment with retinal break, unspecified eye. It is valid for submission on a claim.

Excludes1 inherited from the categories above H33.009

These are not written on H33.009, but they bind it: a note on a category applies to every code beneath it. Billing H33.009 with anything listed here is a denial.

Written on H33.0 Retinal detachment with retinal break

  • serous retinal detachment (without retinal break) (H33.2-)

Written on H33 Retinal detachments and breaks

Risk adjustment

H33.009 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

H33.009 is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A57637Billing and Coding: Visual Field Examination

Code history

H33.009 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share H33.00. If H33.009 is not quite right, the correct code is usually one of these.

Questions about H33.009

Is H33.009 a billable ICD-10-CM code?
Yes. H33.009 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H33.009 sit in the tabular list?
Diseases of the eye and adnexa (H00-H59), in the block Disorders of choroid and retina (H30-H36).
What cannot be coded together with H33.009?
H33.009 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above H33.009 (H33.0, H33) and apply to it just the same.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.