f803c35db6
- 23 sources archived across 3 tracks - Track 1: Medicare Advantage history & structure - Track 2: Senior care infrastructure - Track 3: International health system comparisons Pentagon-Agent: Vida <HEADLESS>
60 lines
3.8 KiB
Markdown
60 lines
3.8 KiB
Markdown
---
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type: source
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title: "Improving Medicare Advantage by Accounting for Large Differences in Upcoding Across Plans"
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author: "USC Schaeffer Center / Health Affairs Forefront"
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url: https://schaeffer.usc.edu/research/improving-medicare-advantage-by-accounting-for-large-differences-in-upcoding-across-plans/
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date: 2025-02-03
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domain: health
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secondary_domains: []
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format: paper
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status: unprocessed
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priority: high
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tags: [medicare-advantage, upcoding, risk-adjustment, coding-intensity, market-dynamics, plan-variation]
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---
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## Content
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### Key Findings
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- CMS overpaid MA by **$50 billion (13%)** in 2024 due to upcoding
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- **15-percentage-point variation** in coding intensity among 8 largest MAOs
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- **10 MAOs** have coding intensity more than 20% higher than traditional Medicare levels
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### The Competitive Dynamics of Upcoding
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- Aggressive upcoding permits MA plans to offer **better benefits** than either TM or less-aggressive MA plans
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- Enhanced benefits attract additional enrollees → **both higher profits per enrollee AND increased market share**
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- This creates a perverse competitive advantage: the more you upcode, the more you grow
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- Plans that code accurately are at a competitive DISADVANTAGE
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### The Virtuous/Vicious Cycle
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1. Plan upcodes aggressively → receives higher payments
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2. Higher payments fund better supplemental benefits (dental, vision, $0 premiums)
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3. Better benefits attract more enrollees
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4. More enrollees → more revenue → more resources for upcoding
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5. Competitors must either match upcoding or lose market share
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### Policy Recommendations
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- Implement MedPAC recommendations for risk score calculation reform
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- Exclude diagnoses from health risk assessments (in-home visits)
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- Use two years' claims data for risk score calculation
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- Plan-level coding intensity adjustment (not just system-wide 5.9%)
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### Related USC Schaeffer Research
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- MA enrolls lower-spending people → large overpayments (favorable selection, June 2023)
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- Favorable selection ups the ante on MA payment reform (June 2023)
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- MedPAC critics get it wrong on overpayment estimates (July 2024)
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## Agent Notes
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**Why this matters:** This research reveals the most structurally damaging aspect of MA upcoding: it's not just waste, it's a competitive advantage mechanism. Plans that upcode more grow faster because they can offer better benefits. This creates a race to the bottom where accurate coding is penalized by the market. The 15-percentage-point variation among top 8 MAOs shows this isn't uniform — some plans are far more aggressive than others.
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**What surprised me:** The competitive dynamics framing. I'd thought of upcoding as fraud/gaming. But USC Schaeffer frames it as a market mechanism: upcoding creates a competitive advantage that compounds. Honest plans can't compete. This is a textbook case of adverse selection — but among plans, not patients.
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**KB connections:** [[proxy inertia is the most reliable predictor of incumbent failure because current profitability rationally discourages pursuit of viable futures]], [[Devoted is the fastest-growing MA plan at 121 percent growth because purpose-built technology outperforms acquisition-based vertical integration during CMS tightening]]
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**Extraction hints:** Claim about upcoding as competitive advantage mechanism — plans that code accurately are at a structural disadvantage, creating a race to the bottom in coding integrity.
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## Curator Notes
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PRIMARY CONNECTION: [[CMS 2027 chart review exclusion targets vertical integration profit arbitrage by removing upcoded diagnoses from MA risk scoring]]
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WHY ARCHIVED: The competitive dynamics framing adds a dimension the KB doesn't have — it's not just about how much upcoding costs, but how upcoding shapes market structure.
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EXTRACTION HINT: The "honest plans can't compete" insight is the most extractable claim. It connects upcoding to market concentration (UHG/Humana duopoly).
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