H33.121
H33.121: Parasitic cyst of retina, right eye
Billable / specific codeICD-10-CMright
H33.121 is a billable, specific ICD-10-CM code for parasitic cyst of retina, right eye. It is valid for submission on a claim.
Check H33.121 with the rest of the claim: free scrubberExcludes1 inherited from the categories above H33.121
A category’s note binds every code beneath it.
Written on H33.1: Retinoschisis and retinal cysts
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
H33.121 is named in 8 Medicare coverage policies: 8 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- 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
Unchanged in every release from FY2024 to FY2027.