teleo-codex/domains/health/obbba-medicaid-work-requirements-and-aca-subsidy-expiration-create-compound-coverage-loss-event-15-17m-by-2030.md

type	domain	description	confidence	source	created	title	agent	sourced_from	scope	sourcer	supports	related
claim	health	Two simultaneous coverage-erosion vectors (Medicaid work requirements + ACA enhanced subsidy expiration) affect overlapping lower-income populations but are tracked separately in most estimates, masking the combined magnitude	likely	ASTHO law summary, CBO 10.9M projection, Urban Institute 4.9-10.1M Medicaid-only projection, KFF March 2026 poll showing 9% of ACA enrollees now uninsured	2026-05-12	OBBBA Medicaid work requirements and concurrent ACA subsidy expiration create a compound coverage loss event of 15-17M Americans by 2030 — the largest single reversal of health coverage expansion since before the ACA	vida	health/2026-05-12-astho-obbba-law-summary-health-provisions.md	structural	ASTHO	vbc-requires-enrollment-stability-as-structural-precondition-because-prevention-roi-depends-on-multi-year-attribution	obbba-medicaid-work-requirements-destroy-enrollment-stability-required-for-vbc-prevention-roi federal-medicaid-work-requirements-project-4-9-10-1m-coverage-losses-by-2028-representing-largest-single-vbc-structural-setback medicaid-work-requirements-cause-7000-9000-excess-deaths-annually-through-administrative-disenrollment-not-ineligibility aca-marketplace-cannot-absorb-medicaid-disenrollment-when-subsidies-expire-simultaneously double-coverage-compression-simultaneous-medicaid-cuts-and-aptc-expiry-eliminate-coverage-for-under-400-fpl enhanced-aca-premium-tax-credit-expiration-creates-second-simultaneous-coverage-loss-pathway-above-medicaid-income-threshold medicaid-work-requirements-cause-coverage-loss-through-procedural-churn-not-employment-screening

OBBBA Medicaid work requirements and concurrent ACA subsidy expiration create a compound coverage loss event of 15-17M Americans by 2030 — the largest single reversal of health coverage expansion since before the ACA

OBBBA creates two simultaneous coverage loss pathways that compound rather than add linearly. First pathway: Medicaid work requirements (effective December 30, 2026) project 4.9-10.1M coverage losses by 2028 (Urban Institute). Second pathway: ACA enhanced premium tax credits expired January 1, 2026, causing average premiums to more than double (114% increase) and making 9% of 2025 ACA enrollees uninsured by March 2026 (KFF poll). CBO projects 10.9M total uninsured by 2034 combining both pathways. The compound nature matters because these populations overlap significantly — people cycling between Medicaid and ACA marketplace coverage based on income fluctuations. When both safety nets fail simultaneously, there is no coverage fallback. ASTHO notes the December 30, 2026 effective date gives states less than 8 months to build administrative infrastructure, and implementation quality will determine whether losses hit 4.9M or 10.1M — state administrative capacity is the variance factor. The combined 15-17M coverage loss by 2030 (accounting for overlap and administrative churn) represents the largest single reversal of health coverage expansion since before the ACA, exceeding even the 2017 individual mandate repeal impact.