H40.821
H40.821 — Hypersecretion glaucoma, right eye
Billable / specific codeICD-10-CMright
H40.821 is a billable, specific ICD-10-CM code for hypersecretion glaucoma, right eye. It is valid for submission on a claim.
Risk adjustment
H40.821 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
H40.821 is named in 20 Medicare coverage policies — 20 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
- A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
- A56457Billing and Coding: Corneal Pachymetry
- A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
Related codes at this level
Codes that share H40.82. If H40.821 is not quite right, the correct code is usually one of these.
Questions about H40.821
- Is H40.821 a billable ICD-10-CM code?
- Yes. H40.821 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H40.821 sit in the tabular list?
- Diseases of the eye and adnexa (H00-H59), in the block Glaucoma (H40-H42).