You just felt something pop in your knee during a weekend pickup game. Or maybe your back has been sending you signals that you can’t ignore anymore. The doctor says you need an MRI. Then comes the real pain—not the scan, but the question you whisper to yourself in the parking lot: Does my short term plan actually cover this?
Let me stop you right there. I’ve been an independent agent for fifteen years,and I’ve watched more people walk out of imaging centers with a denial letter than I care to count. You bought that short term policy because it was cheap. Because COBRA felt like a second mortgage. Because between your rising rent and that car payment, you just needed something to say “health insurance” on paper. I get it. But here is where things get ugly.
Short term health insurance was never designed for real life. It was designed for the gap—the two weeks between jobs, the summer after graduation, the waiting period for an employer plan. The underwriting is a gauntlet. And MRIs? Those are expensive toys that carriers hate to approve.
Here is the raw math. A single MRI without negotiation runs $1,200 to $4,000 depending on your state and the body part. Short term plans typically cap outpatient diagnostic imaging at 50% coinsurance after a deductible that often sits at $5,000 or more. So you pay the first $5,000 out of pocket. Then you pay half of the MRI bill. On a $2,500 scan, that is another $1,250. Your “affordable” premium just cost you $6,250 before the radiologist even reads the film.
But wait—there is a catch within the catch. Most short term policies exclude “pre-existing conditions” with a vengeance. Did you mention that knee pain to your primary care doctor six months ago? Did you take a single ibuprofen for that back ache last year? The carrier will find it. They will pull your prescription history, your medical notes, and then they will send you a beautiful letter: “Not covered due to condition that existed prior to the effective date.” That MRI becomes your tab. One hundred percent.
You might think, “I’ll just buy a short term plan that says it covers imaging.” Read the fine print. Many of them require prior authorization. Have you ever tried to get a prior authorization from a short term carrier on a Friday afternoon? They don’t answer. Their customer service is a voicemail box that fills up by 11 a.m. The doctor’s office gives up after three calls. So you either pay cash upfront—imaging centers love giving a 30% discount for cash, by the way—or you wait. And waiting with a possible ACL tear? That is not a strategy.
Let me contrast two real carriers I have sold in Texas and Florida. Carrier A offers a $2,500 deductible with 70% coinsurance on MRIs after you meet a separate $500 outpatient facility fee. Carrier B has a $3,000 deductible but waives the facility fee and covers MRIs at 80% after deductible. Which one is better? On paper, Carrier A looks cheaper. But run the numbers. A $2,500 MRI under Carrier A: you pay $2,500 deductible + $500 facility fee = $3,000. Then 30% of the remaining bill? No, because 70% coinsurance means they pay 70%, you pay 30% of the covered amount. But the covered amount is never the billed amount. They allow $1,800. So you pay 30% of $1,800 = $540. Total out of pocket: $3,540. Under Carrier B: $3,000 deductible, then 20% of the allowed $1,800 = $360. Total: $3,360. Carrier B wins by $180. But if your MRI is $4,000? The gap widens. This is the kind of arithmetic that drives people crazy.

And nobody ever talks about the tax trap. Short term health insurance premiums are not pre-tax if you buy them outside an employer plan. You pay with after-tax dollars. That MRI bill you cover out of pocket? Not deductible unless your total medical expenses exceed 7.5% of your adjusted gross income, and even then you have to itemize. Most people take the standard deduction. So every dollar you spend on that MRI is a dollar you earned, paid taxes on, and then handed to the hospital. No write-off. No HSA eligible. Just pain.
Here is what my clients get wrong all the time. They say, “I’ll just rely on the hospital’s financial assistance.” Have you read those applications? They ask for three months of bank statements, proof of every asset, and then they deny you because you have $2,000 in savings. Or they say, “I’m healthy, I won’t need an MRI.” Healthy people slip on ice. Healthy people have bad falls. Healthy people wake up with a lump. Short term insurance is a bet against your own body. The house always wins.
Another mistake: they assume any plan labeled “PPO” gives them access to the same MRI centers as real major medical. Wrong. Short term PPOs have narrow networks. The imaging center down the street that takes Blue Cross? They will laugh at your short term card. You will drive forty minutes to a facility you have never heard of, where the tech rushes through the scan because they get paid half the rate.
So what do you actually do? First, do not cancel your current coverage until you have a written pre-approval for that MRI. Not a verbal confirmation. Not a chat message. A document with a reference number. Second, call three independent imaging centers and ask for their cash price. Negotiate. I have seen $3,000 scans drop to $800 with a single phone call. Third, look into a catastrophic major medical plan if you are under 30 or qualify for a hardship exemption. They cost more than short term but they actually cover pre-existing conditions and essential health benefits. Fourth, if you absolutely must keep a short term plan, choose a higher deductible to lower your premium—but park that deductible amount in a separate savings account. Do not touch it. That is your MRI fund.
You want the honest truth from someone who has no financial incentive to sell you short term garbage? The commission on these plans is laughable. I sell them only when a client has no other option and fully understands the exposure. An MRI is not a luxury. It is a diagnostic tool that can catch something treatable. Do not let a cheap premium trick you into skipping it. But do not let a short term policy trick you into thinking you are covered.
Next time you feel that pop or that ache, ask yourself one question before you sign the short term application: Can I afford to be wrong?