H21.541
H21.541 — Posterior synechiae (iris), right eye
Billable / specific codeICD-10-CMright
H21.541 is a billable, specific ICD-10-CM code for posterior synechiae (iris), right eye. It is valid for submission on a claim.
Risk adjustment
H21.541 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
H21.541 is named in 7 Medicare coverage policies — 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
- A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
- A56726Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
- A57068Billing and Coding: Ocular Photography - External
Related codes at this level
Codes that share H21.54. If H21.541 is not quite right, the correct code is usually one of these.
Questions about H21.541
- Is H21.541 a billable ICD-10-CM code?
- Yes. H21.541 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H21.541 sit in the tabular list?
- Diseases of the eye and adnexa (H00-H59), in the block Disorders of sclera, cornea, iris and ciliary body (H15-H22).