H20.9 — Unspecified iridocyclitis
H20.9 is a billable, specific ICD-10-CM code for unspecified iridocyclitis. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Uveitis NOS
Risk adjustment
H20.9 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
H20.9 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.
- A52423Billing and Coding: Infliximab and biosimilars
- A55717Billing and Coding: Lab: Flow Cytometry
- A56464Billing and Coding: Flow Cytometry
- A57068Billing and Coding: Ocular Photography - External
How H20.9 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to H20.9.
- Cyclitis
- Iridocyclitis
Related codes at this level
Codes that share H20. If H20.9 is not quite right, the correct code is usually one of these.
Questions about H20.9
- Is H20.9 a billable ICD-10-CM code?
- Yes. H20.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H20.9 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).