US · guidance
CMS Pub. 100-16, ch. 7, § 70.4.2
Low Income Status
From 2006 through 2010, the Part D risk adjustment model used a multiplier to adjust
risk scores when the beneficiary had low income subsidy eligibility. Under the 2006-
2010 RxHCC model, the multiplier differed if the beneficiary was full subsidy eligible or
partial subsidy eligible. Starting in 2011, the Part D risk adjustment model no longer
uses multipliers and instead uses a separate risk score for beneficiaries who have low
income status. This new model applies an aged low income or disabled low income risk
score when the beneficiary has either full or partial low income status and does not have
long term institutional status. Low income status is determined as of the payment month.
History
(Rev. 114, Issued; 06-07-13, Effective: 06- 07-13, Implementation: 06-07-13)
Provenance
- Source
- cms.gov
- Retrieved
- 2026-08-25
- Edition
- iom-2026-08-25
- Content hash
ba26da9b45603fb57868f532f2c5639432854950df93ecac7ab41e4bf9bd71a5
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