V28 HCC 300
Exudative Macular Degeneration
Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 300 has a source-labeled community non-dual aged reference coefficient of 0.596, and 16 ICD-10-CM diagnosis codes appear in its official mapping.
RAF factors
The community factor varies by Medicaid and originally-disabled status; the institutional factor applies to long-term-institutional members. These are the CMS-HCC V28 PY2026 relative factors.
These are source-labeled code-level HCC coefficient references, not a full member score. Use the RAF Calculator with complete member context for CMS-HCC V28 PY2026. No score is shown unless every required source and calculation check passes.
ICD-10-CM codes that map to HCC 300 (16)
ICD-10-CM codes in the official mapping for this category under CMS-HCC V28 PY2026. Open any code for its full description and coding guidance.
- H35.3210Exudative age-related macular degeneration, right eye, stage unspecified
- H35.3211Exudative age-related macular degeneration, right eye, with active choroidal neovascularization
- H35.3212Exudative age-related macular degeneration, right eye, with inactive choroidal neovascularization
- H35.3213Exudative age-related macular degeneration, right eye, with inactive scar
- H35.3220Exudative age-related macular degeneration, left eye, stage unspecified
- H35.3221Exudative age-related macular degeneration, left eye, with active choroidal neovascularization
- H35.3222Exudative age-related macular degeneration, left eye, with inactive choroidal neovascularization
- H35.3223Exudative age-related macular degeneration, left eye, with inactive scar
- H35.3230Exudative age-related macular degeneration, bilateral, stage unspecified
- H35.3231Exudative age-related macular degeneration, bilateral, with active choroidal neovascularization
- H35.3232Exudative age-related macular degeneration, bilateral, with inactive choroidal neovascularization
- H35.3233Exudative age-related macular degeneration, bilateral, with inactive scar
- H35.3290Exudative age-related macular degeneration, unspecified eye, stage unspecified
- H35.3291Exudative age-related macular degeneration, unspecified eye, with active choroidal neovascularization
- H35.3292Exudative age-related macular degeneration, unspecified eye, with inactive choroidal neovascularization
- H35.3293Exudative age-related macular degeneration, unspecified eye, with inactive scar
Coder workflow notes
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Frequently asked questions
What is CMS-HCC V28 category 300?
HCC 300 is "Exudative Macular Degeneration", a Hierarchical Condition Category in the CMS-HCC V28 risk adjustment model (100% phase-in for payment year 2026). 16 ICD-10-CM codes appear in its official mapping.
What reference coefficient is published for HCC 300?
The source-labeled community non-dual aged reference coefficient for CMS-HCC V28 category 300 is 0.596. The exact coefficient varies by enrollment segment (community Medicaid and originally-disabled status, and institutional); the full segment table is published in the CMS V28 model files.
How many ICD-10-CM codes map to HCC 300?
16 ICD-10-CM diagnosis codes appear in the official mapping for CMS-HCC V28 category 300 (Exudative Macular Degeneration) for payment year 2026.
Related references
Sources
CMS ICD-10-CM order-file billability plus the published mapping and CMS-HCC V28 PY2026 model software. CMS-HCC V28 model published at CMS.gov Risk Adjustors; ICD-10-CM member codes from the CMS ICD-10-CM code set.
Verified current to CMS-HCC V28, payment year 2026 — last reviewed May 30, 2026.

