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H33.20

H33.20Serous retinal detachment, unspecified eye

Billable / specific codeICD-10-CMunspecified

H33.20 is a billable, specific ICD-10-CM code for serous retinal detachment, unspecified eye. It is valid for submission on a claim.

Risk adjustment

H33.20 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

H33.20 is named in 4 Medicare coverage policies 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56799Billing and Coding: Visual Fields Testing
  • A57071Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
  • A57637Billing and Coding: Visual Field Examination

Related codes at this level

Codes that share H33.2. If H33.20 is not quite right, the correct code is usually one of these.

Questions about H33.20

Is H33.20 a billable ICD-10-CM code?
Yes. H33.20 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H33.20 sit in the tabular list?
Diseases of the eye and adnexa (H00-H59), in the block Disorders of choroid and retina (H30-H36).
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.