ANALYSISApril 13, 2026
Should mental health care have full parity with physical care?
The Biden administration issued a 2024 Final Rule on September 9, 2024, strengthening enforcement of the Mental Health Parity and Addiction Equity Act (MHPAEA), but on May 15, 2025, the Trump administration's Departments of Labor, HHS, and Treasury declared they would not enforce the rule following a lawsuit by the ERISA Industry Committee. The core statutory parity requirement remains federal law, but active federal enforcement has weakened, shifting the battleground to individual states.
We've had a federal mental health parity law for 16 years — so why do insurers still routinely deny mental health claims at rates that would be unthinkable for a broken arm? And if enforcement keeps failing, is the real debate whether parity is even possible, or whether we actually want it?
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Non-enforcement vs. rule-of-law obligation
C
The administration didn't just decline to defend a legally contested rule in court — it announced categorical non-enforcement, which immediately gave industry lawyers ammunition to sue California and dismantle state protections that were actually working. Staying a disputed rule pending judicial review is legitimate administrative prudence; broadcasting that noncompliance carries no risk is an invitation to violate a statute nobody disputes is valid law. Those are two different acts, and conservatives should be precise about which one they're defending.
L
You're right to draw that line, but the administration didn't draw it — and that's the point. When the ERISA Industry Committee filed suit in January 2025, the administration folded rather than defend even the core statutory obligation, not just the contested regulatory mechanisms. A stay pending litigation protects due process; what happened here was the government handing the insurance lobby a 'closed for business' sign on seventeen years of parity law.
C
The 'folded to the lobby' framing assumes bad faith where there may be a genuine legal judgment — the 2024 Final Rule's outcomes-data mandates were a real stretch of statutory authority, and courts exist precisely to resolve that. The problem isn't declining to defend the rule; it's the categorical signal about the underlying statute, and those should have been separated.
L
If they were genuinely separable, the administration had every opportunity to say so publicly — defend the statute, contest the rule. They didn't. Silence at that moment is a policy choice, not a legal necessity.
27% payment gap as market signal
C
The AMA's documented 27% payment gap between physical and mental health providers isn't a market outcome — it's what happens when discriminatory reimbursement structures are permitted to persist under cover of nominally compliant plans. Basic price theory predicts the result: pay below market-clearing rates long enough and you drive providers out of network or out of the field entirely, which is exactly what the shortage data shows. This is a rigged market dressed as a free one.
L
Agreed on the mechanism, and that agreement is damning: if the 27% gap is structural discrimination and not market efficiency — as you're conceding — then no deregulatory principle resolves it. The question was never whether to have parity requirements but whether to enforce them with teeth, and the administration answered that by walking away from the one regulatory mechanism designed to surface and correct exactly that disparity.
C
Enforcement with teeth is the right goal, but 'teeth' has to survive an APA challenge or it's just performance — the corrective-action mandates in the 2024 Rule may have been the wrong instrument even if the underlying problem is real. Demand better-drafted rules, not uncritical defense of ones that may not hold up in court.
L
While we debate the instrument, the gap persists and providers keep leaving the field — 122 million Americans in shortage areas aren't waiting for a cleaner regulatory vehicle.
Federal abdication undermining state enforcement
C
Georgia's $20 million enforcement action and California's SB 855 are exactly what federalism is supposed to look like — states identifying a problem and acting. But the insurer trade association's November 2025 lawsuit against California explicitly cites the federal non-enforcement announcement as justification. Federal abdication didn't just stop federal enforcement; it handed industry lawyers the argument that dismantles state enforcement too.
L
This is the cascade effect you described, and it exposes the fatal flaw in the 'let states handle it' position: states-as-laboratories only works when federal signals don't simultaneously hand industry a preemption argument. The insurers aren't just suing California on the merits — they're using the administration's retreat as evidence that the entire enforcement framework lacks federal backing, which changes the litigation calculus entirely.
C
The lawsuit's outcome isn't predetermined — California's law stands on independent statutory grounds and the federal non-enforcement announcement doesn't automatically preempt it. But you're right that the signal creates legal risk that wouldn't exist if federal enforcement had continued, and that's a genuine cost of the administration's approach.
L
A 'genuine cost' that lands on the 156 million Americans who depend on in-network mental health access while that litigation plays out for years isn't an acceptable collateral consequence — it's the harm.
Law without enforcement mechanisms fails
C
The UK's 'parity of esteem' enacted in 2012 is the cautionary tale here: even with statutory parity, mental health receives roughly 13% of NHS spending while accounting for 28% of disease burden. What the 2024 Final Rule was trying to add — outcomes data requirements, mandatory corrective action when disparities appear — was precisely the mechanism to move from statutory decoration to actual accountability. Abandoning it isn't a technical regulatory choice.
L
The UK example cuts both ways though: it shows that even well-intentioned mandates fail without rigorous implementation, which is actually an argument for getting the regulatory mechanism right rather than defending any specific rule as written. The 2024 Rule's outcomes-data requirements may have been overbuilt in ways that invited litigation and killed the whole project.
C
If the mechanism was overbuilt, the answer was to narrow it through notice-and-comment rulemaking, not abandon the field — agencies revise rules all the time without broadcasting that the underlying law won't be enforced in the meantime.
L
Exactly — revise the mechanism, don't retire the mandate. The administration chose the latter, and the UK example shows precisely why that choice has a predictable endpoint.
Compliance costs versus status quo costs
C
The honest concern about the 2024 Rule is distributional: if compliance costs raise premiums, lower-wage workers at small and mid-size firms may end up with reduced coverage. That's a real tension, not a talking point. But the distributional harm is already landing — on the 122 million Americans in shortage areas paying out-of-pocket or going without care entirely. Uncertainty about compliance costs can't be cover for a status quo that already imposes enormous documented costs in emergency rooms and criminal justice.
L
You've essentially conceded the liberal position — the question isn't whether there are costs, it's whose costs the government is prepared to take seriously. Right now the system's design guarantees that mental health patients bear the access costs so that employers and insurers avoid the compliance costs, and the administration's non-enforcement is a decision to keep that distribution exactly as it is.
C
That framing is right on the distributional question, but 'take compliance costs seriously' doesn't mean ignore them — it means demand rigorous cost-benefit analysis of specific regulatory mechanisms before locking them in, which the 2024 Rule arguably skipped.
L
Rigorous analysis takes time; in the meantime, the eight-times-higher out-of-network rate for mental health patients isn't a research finding waiting to be validated — it's what people are living right now.
Conservative's hardest question
The genuine legal vulnerability is this: if the 2024 Final Rule's outcomes-data and corrective-action mandates were in fact arbitrary and capricious under the APA, then non-enforcement while litigation proceeds is defensible administrative prudence, not lawlessness. A conservative committed to rule of law must take seriously the possibility that an agency rule can itself violate legal constraints — and that courts, not enforcement decisions, are the right venue to resolve it.
Liberal's hardest question
The cost neutrality claim — that full parity implementation does not significantly increase overall healthcare costs — has not been independently verified because the 2024 Final Rule was never enforced long enough to generate outcome data. If employer groups are correct that compliance costs would increase premiums or reduce plan offerings, particularly for small and mid-size firms, the rule's benefits could come at a distributional cost that disproportionately affects lower-wage workers, which is a genuinely uncomfortable tension for a liberal argument grounded in equity.
Both sides agree: Both sides accept that the core MHPAEA statute is valid law and that the documented inequity — a 27% payment gap, shortage-area concentration, and extreme out-of-network rates — reflects a genuine structural problem that the existing legal framework has failed to solve.
The real conflict: The sides disagree on a factual-empirical question that cannot yet be answered: whether the 2024 Final Rule's compliance costs would have raised premiums or reduced plan offerings enough to harm the lower-wage workers that parity advocates say they are protecting — a real-world outcome the rule never produced because it was never enforced.
What nobody has answered: If seventeen years of MHPAEA enforcement with full statutory authority in place produced a 27% payment gap, 122 million Americans in shortage areas, and an eight-times out-of-network disparity, what specific mechanism — beyond the 2024 Final Rule's outcomes-data requirements — would actually close those gaps, and does either side have a credible answer to that question?
Sources
- Search: Mental Health Parity and Addiction Equity Act 2024 Final Rule enforcement update
- Search: Trump administration MHPAEA non-enforcement May 2025
- Search: ERISA Industry Committee lawsuit mental health parity 2025
- Search: Mental health parity statistics access shortage 2025
- Search: California Georgia state mental health parity enforcement 2025
- Search: UK NHS mental health parity of esteem spending gap
- Search: AMA mental health parity payment disparity index
- Search: Department of Labor HHS Treasury MHPAEA annual report 2026