Budget methodologies and ‘medical necessity’ language

Priya’s son’s neurologist wrote a beautiful letter. It said the requested home support hours would “significantly improve his quality of life and reduce stress on the family unit.” Every word of it was true. The denial came back in eleven days: not medically necessary. Priya read the letter three times looking for the medical judgment inside it and found nothing except a phrase that Medicaid reviewers are trained, structurally, to disregard. This is the post about the two phrases that do most of the damage in this system, and about the vocabulary that gets past them.

“Not medically necessary” rarely means what it says

Here’s where we enter territory that’s going to make some people uncomfortable, but I’m going to say it anyway because the math is the math. When a Medicaid reviewer writes “not medically necessary,” they are almost never overruling a physician’s clinical judgment with their own. Most reviewers aren’t physicians, and the ones who are typically apply a checklist derived from state medical necessity criteria, not an independent clinical exam. The letter reads like a medical verdict. It is usually a documentation-matching exercise, and the request lost because the language on the page didn’t match the language on the checklist.

That’s not a conspiracy theory. It’s how utilization review works, and it’s published in state Medicaid provider manuals if you go looking. The criteria specify safety, functional impairment, and level of care. A request framed around quality of life, comfort, or family stress, however true, doesn’t map onto those categories, so it gets coded as insufficient regardless of the underlying need.

“Cost-effective” is a budget sentence pretending to be clinical

The companion phrase, “a more cost-effective option is available,” almost never means the cheaper option was clinically evaluated as equivalent. It usually means a cheaper category of service exists on the state’s fee schedule and the reviewer defaulted to it. Whether that cheaper option actually meets your family member’s assessed functional need is a separate question the phrase conveniently skips.

I do not endorse this. I do not support this. I do not condone rationing dressed up as clinical reasoning. But the phrase exists, it appears in thousands of denial letters a year, and understanding what it actually protects, which is a budget line, not your child’s wellbeing, tells you exactly what kind of response will move it.

The vocabulary that moves criteria

Medical necessity and level-of-care criteria are written around a specific vocabulary: safety, functional impairment, risk of injury, risk of institutionalization, activities of daily living. Requests framed in that vocabulary get evaluated against the actual criteria. Requests framed around quality of life, family stress, or preference get evaluated against nothing in particular, because those words don’t appear in the criteria document at all.

This is not about lying or exaggerating. It’s about describing a true situation using the words the system is built to recognize. Priya’s son’s documented falls were real. His elopement risk was real and logged. The second version of the neurologist’s letter didn’t invent anything. It used the words “elopement risk,” “fall incidents,” and “level of care consistent with a supervised residential setting, currently provided at home” instead of “quality of life.” Same clinician, same underlying facts, same son. Different result.

Bringing your clinician into the vocabulary

Most physicians are not trained in Medicaid utilization review language, and most have never seen the specific criteria document your state uses. This isn’t a knock on them. It’s a gap you can close by bringing your state’s medical necessity and level-of-care criteria to the appointment and asking the clinician to write the letter using those specific terms, tied to your documented incident log rather than general impressions.

Clinicians who write dozens of these letters a year often already know this. Clinicians who write one every few years, which describes most specialists treating a single patient with complex needs, usually don’t, and will welcome the specificity rather than resent it. Bring the criteria. Bring the log. Ask for the reframed language directly. Most will say yes.

Resubmitting inside the deadline

Most states give roughly thirty days to appeal a medical necessity denial, though the exact number varies and is stated in your denial letter. Confirm it the day the letter arrives, not the week before it expires. A reframed request with a supporting incident log and revised clinical letter, resubmitted before the deadline, restarts the clock on a fair, documented decision instead of a default no.

None of this guarantees approval. Some denials really do reflect services outside what a waiver covers, and no amount of reframing changes that. But a meaningful share of “not medically necessary” denials are vocabulary failures, not clinical ones, and vocabulary failures are the cheapest kind of failure to fix. Learn the two phrases. Learn what they protect. Answer them in the language they were built to hear.

Jim Palasty is the founder of OASIS for Autism and a single father of an adult autistic daughter in Michigan.