H33.122
H33.122 — Parasitic cyst of retina, left eye
Billable / specific codeICD-10-CMleft
H33.122 is a billable, specific ICD-10-CM code for parasitic cyst of retina, left eye. It is valid for submission on a claim.
Risk adjustment
H33.122 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
H33.122 is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53008Billing and Coding: Intraocular Bevacizumab
- A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
- A56726Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
- A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
Code history
H33.122 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 H33.12. If H33.122 is not quite right, the correct code is usually one of these.
Questions about H33.122
- Is H33.122 a billable ICD-10-CM code?
- Yes. H33.122 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H33.122 sit in the tabular list?
- Diseases of the eye and adnexa (H00-H59), in the block Disorders of choroid and retina (H30-H36).