u/Wooden_Trust_6274

I do billing on the eye care side, and I wanted to share the scenario that gives newer billers here the most trouble, because it is the rare mistake that never announces itself with a denial. I am curious whether other specialties have their own version of it.

The setup: a patient comes in and hands over a vision plan card, VSP or EyeMed. Front desk sees the vision card and bills the whole encounter to the vision plan as a routine exam. Done. Except the patient's actual reason for the visit was dry eye, or flashes and floaters, or diabetic eye monitoring. That is a medical presentation. It should have gone to the patient's medical carrier with the medical diagnosis, not to the vision plan.

Here is why it is dangerous. When you misroute a medical visit to a vision plan, the vision plan just pays its flat routine allowance. Nothing denies. There is no CARC, no rejection, nothing lands in the denial queue for anyone to work. The practice got paid, so on paper it looks clean. But the medical carrier would have reimbursed that medical exam, the appropriate 920xx or E/M, at a higher rate, and that difference is simply gone. It is an invisible underpayment, which is arguably worse than a denial, because a denial at least shows up somewhere and someone works it. This one nobody ever sees.

The decision rule I go by: the chief complaint drives the plan, not the card the patient hands you. A medical complaint or medical diagnosis in the chart means the exam is medical and bills to the medical plan with the medical dx primary. No complaint, purely a refractive check for glasses, means routine and bills to the vision plan with the refractive dx. And the refraction itself, 92015, is statutorily non covered by Medicare and most commercial medical plans, so it is patient responsibility or goes to the vision plan even on a medical day. You can absolutely split one visit, the medical exam to the medical carrier and the refraction to the vision plan, when the documentation supports it.

The reason it stays a problem is that the routing call happens at the front desk at check in, before a coder ever touches the chart. By the time it reaches billing, the plan is often already locked and the whole encounter has been built around it, so the coder is fixing it downstream instead of it being right at the source.

A couple of real questions for the group. For anyone in eye care, where does the medical vs vision call actually get made in your workflow, the front desk or the biller? And for everyone else, does your specialty have a similar silent underpayment, some scenario where the wrong payer pays cleanly and the loss never surfaces as a denial? I have a feeling every specialty has one, and they rarely get talked about precisely because nothing ever errors out.

Been doing eye care billing for a while and the error that costs practices the most is not the one that gets rejected. It is the one that pays perfectly.

Here is the pattern. Patient comes in with a real medical complaint, dry eye, flashes, a diabetic follow-up, whatever. Front desk sees they have VSP or EyeMed, runs it as a routine vision visit, and it pays. S0620, refraction, done. Clean claim, money in the door, nobody thinks about it again.

Except that visit had a medical diagnosis attached to it and could have gone to the medical carrier as a 92014 or an E/M with the medical dx. The vision plan paid maybe 60 to 90 dollars. The medical claim would have paid meaningfully more, and it would have preserved the patient's routine benefit for when they actually come back for glasses.

The reason it is so easy to miss is that there is no denial to work. Denials get worked because they show up on a report. This never shows up anywhere. It just quietly pays at the lower number, and the only way to catch it is to look at the routing decision before the claim goes out, not after.

The way I started catching it: flag any visit where the chief complaint or the dx is medical but the claim got built to the vision plan. Even a rough monthly audit of that overlap surfaces money nobody knew was leaking.

Curious if others here have a way of catching this on the front end. Do you route at check-in based on chief complaint, or do you let the biller sort it after the encounter? I have seen both and I am not sure which actually loses less.

The 30-second front-desk check that stopped us billing medical visits to the vision plan

Took me way too long to figure this one out so sharing in case it helps someone.

Doing billing for independent OD practices for a few years, the most expensive thing I kept running into wasn't denials. It was medical visits getting billed to the vision plan by default, paying clean at the lower routine rate, and never flagging as a problem because nothing got rejected. You only notice it if you go looking, and most offices never do.

What fixed it wasn't software or another biller. It was just asking the reason for the visit before picking the payer. If someone's coming in symptom-free for a routine check and glasses, fine, that's the vision plan. But dry eye, flashes, diabetes follow-up, glaucoma monitoring, that's a medical visit, and it should go to the medical carrier even when they hand over the vision card at the desk.

The other half is just having both cards on file and flagging when a patient carries both, so billing knows a split might apply before the claim gets built. Sounds obvious but when three people are checking in and the phone's ringing, the routing call is the first thing that gets skipped.

The part that stings is a misrouted medical visit doesn't deny. It just underpays, and it does it on every similar visit all year. No denial report ever catches it.

How do you all handle the routing at intake, is it scripted into the booking flow, left to the front desk, or does it just get sorted out later in billing? Curious what actually works day to day.

Been doing optometry billing for a while and the thing that trips up almost every office i work with is the same one. The medical vs vision call at check in.

The front desk picks the insurance when the patient walks in, but half the time nobody has looked at why the patient is actually there yet. So a diabetic who scheduled a "yearly exam" online goes out as a routine vision claim, and the medical piece just disappears. Or the reverse, a routine refractive patient gets sent to medical and it denies.

Curious how you all handle it. Is it the front desk making that call, the tech, or the doctor at the end of the visit? Do you verify reason for visit before they come in or sort it out after. Feels like every office has a different system and none of them feel airtight.

What actually works for you?

Been doing billing work with independent OD practices for a few years and noticed a pattern that surprised me a little.

The practices with the cleanest AR are not necessarily the ones with the best billers or the most sophisticated EHR setup. They tend to be the ones where whoever is at the front desk actually knows what question to ask before selecting insurance.

Not a checklist. Not a protocol binder. Just someone who has been there long enough to know that when a patient mentions diabetes or dry eye or floaters, that visit is going somewhere different than when they say they need new glasses.

The billing cleans up downstream almost automatically when that one decision gets made correctly at check-in.

Curious if others have seen the same thing or if it is just a coincidence in the practices i have worked with.

Been curious about this for a while after seeing the same pattern across a few different OD practices.

Most denial management processes start from the denial backwards. you get the CO code, figure out what went wrong, fix it, resubmit. but nobody seems to be tracking whether the denial originated at check-in or in the billing workflow itself.

In optometry specifically i'd expect a large chunk to trace back to the routing decision before billing ever touched it. wrong insurance selected, eligibility checked against the wrong plan, visit type not flagged correctly. but i've never seen a practice actually measure this systematically.

Does anyone do root cause tracking on denials? like actually log where in the workflow the error originated? curious if the data matches the intuition or if billing errors genuinely outweigh intake errors in practice.

Been doing billing work with a few independent OD practices and keep running into the same gap. Every practice has some version of a rule for medical vs vision routing but almost none of them have it written down anywhere. It's just passed verbally from whoever trained the new hire.

Curious how this actually works for practices that have been doing it well for years. Do you have an actual document or checklist new front desk staff go through, or is it more learn-as-you-go with the doctor correcting mistakes as they come up.

Also curious if anyone has measured how long it takes a new hire to get the routing decision right consistently. days, weeks, months.

Trying to understand if this is just an unavoidable part of high turnover roles or if some practices have actually solved it..