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vida: extract from 2026-01-00-commonwealth-fund-risk-adjustment-ma-explainer.md

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- Source: inbox/archive/2026-01-00-commonwealth-fund-risk-adjustment-ma-explainer.md
- Domain: health
- Extracted by: headless extraction cron (worker 6)

Pentagon-Agent: Vida <HEADLESS>
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Teleo Agents 2026-03-12 03:28:23 +00:00
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inbox/archive/2026-01-00-commonwealth-fund-risk-adjustment-ma-explainer.md
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@ -7,9 +7,14 @@ date: 2026-01-01
domain: health
secondary_domains: []
format: report
status: unprocessed
status: null-result
priority: high
tags: [risk-adjustment, cms-hcc, upcoding, medicare-advantage, V28, chart-review]
processed_by: vida
processed_date: 2026-03-11
enrichments_applied: ["CMS 2027 chart review exclusion targets vertical integration profit arbitrage by removing upcoded diagnoses from MA risk scoring.md"]
extraction_model: "anthropic/claude-sonnet-4.5"
extraction_notes: "Extracted three new claims about MA risk adjustment mechanics: (1) V28 model reform targeting coding breadth, (2) 70% unsupported diagnosis rate from RADV audits, (3) chart review as primary upcoding mechanism. Enriched existing chart review exclusion claim with detailed mechanics of how V28 and chart review exclusion work as complementary reforms. The source provides crucial mechanical detail about the dual nature of the reforms—V28 targets what can be coded (breadth), chart review exclusion targets how it's coded (method). The 70% unsupported rate is the most striking finding, suggesting systematic rather than isolated gaming."
---
## Content
@ -66,3 +71,11 @@ tags: [risk-adjustment, cms-hcc, upcoding, medicare-advantage, V28, chart-review
PRIMARY CONNECTION: [[CMS 2027 chart review exclusion targets vertical integration profit arbitrage by removing upcoded diagnoses from MA risk scoring]]
WHY ARCHIVED: Deepens the existing KB claim with mechanical detail about how risk adjustment actually works and how reforms target it.
EXTRACTION HINT: The distinction between V28 (what gets coded) and chart review exclusion (how it gets coded) is structurally important — they're complementary reforms, not redundant.
## Key Facts
- CMS-HCC risk adjustment: CMS pays MA plans monthly per-member capitation adjusted by risk scores derived from diagnosis codes (HCCs)
- Each HCC has a coefficient that increases payment for sicker patients
- V28 implementation timeline: 2024-2026 gradual phase-in, complete by 2026
- 2027 chart review exclusion projected savings: >$7 billion
- V28 2024 projected savings: $7.6 billion