Dental Insurance Aging Report Benchmarks: What Good Looks Like

Here's what good looks like: 75% of your accounts receivable sitting in the 0-30 day bucket, 15% in 31-60, no more than 10% past 60 days, and roughly 3% in 90+. Total AR should equal about one month of production, and you should be collecting 98 cents of every dollar you're owed. If your aging report doesn't look like that, you have a specific, fixable operational problem, not a vague "insurance is hard" problem.

Most practice owners have never seen a target distribution. They print the aging report, glance at the total, wince, and file it. The total is the least useful number on the page. A $180,000 AR balance can be completely healthy or a five-alarm fire depending entirely on how it's distributed across the buckets. This article gives you the benchmarks, the math to test your own numbers against them, and the order of operations to fix what's broken.

The Four Numbers That Define a Healthy Aging Report

There are four benchmarks worth memorizing. Everything else on your aging report is commentary.

1. The bucket distribution. Top-performing practices keep AR distributed at roughly 75% in 0-30 days, 15% in 31-60 days, no more than 10% over 60 days, and only about 3% in the 90+ bucket. That 3% figure is the one that separates good practices from great ones. Nearly everybody has some 90+ balance. The question is whether it's 3% or 18%.

2. The 60-day ceiling. Independently of the full distribution, the widely used operator rule is that no more than 20% of total AR should be aged 60 days or more. Think of 20% as the "you're not in trouble yet" line and 10% as the "you're actually running this well" line.

3. The AR ratio. Total AR divided by one month's average production should come out to 1.0. Above 1.5 and you're financing your payers. Above 2.0 and you're financing them at a scale that will eventually show up in your ability to make payroll in a slow month.

4. The collection ratio. Target 95-99%, with 98% as the ideal. This is collections divided by net production. It answers a different question than the aging report does: not "how fast does money arrive" but "how much of it arrives at all."

Why 30 Days Is the Line, Not an Arbitrary Round Number

The 30-day bucket isn't a convention someone invented for tidy spreadsheets. In most states it maps to a statutory obligation. North Carolina, for one, requires insurers to pay or deny a claim within 30 calendar days of receipt, with another 30 days allowed only if the insurer requests supplemental information. Most states have a comparable prompt-pay statute with a similar clock.

This matters operationally in a way that most practices don't act on. If a clean claim submitted 45 days ago is still unpaid and the carrier never requested additional information, that's not a slow payer. That's a claim that fell through a crack, either on their end or yours. It needs a phone call and a reference to the statute, not another 30 days of patience.

So the practical reading of the 30-day bucket is this: money in 0-30 days is money in transit and working as designed. Money in 31-60 days is either legitimately in a supplemental-information window or it's already a problem you haven't diagnosed. Money past 60 days, absent a documented appeal in progress, is almost always the result of something your team did or didn't do. Wrong plan on file. Missing narrative. Missing X-ray attachment. Claim never actually transmitted. Patient portion never billed.

Running Your Own Aging Report Against the Benchmarks

Pull your aging report and split it two ways before you do anything else. Insurance AR and patient AR behave completely differently and mixing them hides both problems.

Insurance AR should be tight. Claims go out electronically, statutory clocks apply, and a well-run front office has an effective ceiling around 45 days for the vast majority of claims. If your insurance aging has a fat 90+ tail, you have a claims process defect, and it will be traceable to a small number of repeating causes.

Patient AR is slower by nature and needs a different playbook: clear financial arrangements before treatment, card on file, and a statement cycle somebody actually owns. A practice with clean insurance aging and ugly patient aging doesn't have a billing problem. It has a case-presentation and collections-policy problem.

Then calculate three things:

• Percent of total AR in each bucket, compared against 75/15/10 with 3% in 90+.
• Your AR ratio: total AR divided by average monthly production.
• Your collection ratio over the last 12 months, not the last month. One month is noise.

Operator Math

Let's run a real scenario. Take a single-dentist general practice producing at roughly the national average. The ADA Health Policy Institute reports average gross billings per dentist in private practice at $965,660 for general practitioners in 2025. That's the baseline for every number below.

Monthly production at that level is $965,660 divided by 12, or $80,472. At an AR ratio of 1.0, target total AR is $80,472.

Now apply the target distribution. The 0-30 bucket should hold 75% of that, or $60,354. The 31-60 bucket holds 15%, or $12,071. Everything over 60 days should top out at 10%, or $8,047, with the 90+ slice at just 3%, or $2,414.

Here's the practice as it actually exists. Total AR is $148,000 and the buckets break out as $71,000 in 0-30, $31,000 in 31-60, $19,000 in 61-90, and $27,000 in 90+.

The AR ratio is $148,000 divided by $80,472, which is 1.84. That's 84% above target. Restated in time, this practice is carrying 55 days of production in receivables instead of 30.

The distribution is worse than the total. The 0-30 bucket is only 48% of AR against a 75% target. Everything past 60 days is $19,000 plus $27,000, or $46,000, which is 31% of total AR. That's over the 20% ceiling by half again, and triple the 10% good-practice mark. The 90+ bucket alone is 18% of AR against a 3% target, so it's six times where it should be.

Now the dollar cost. Getting to an AR ratio of 1.0 means pulling $148,000 down to $80,472, which frees $67,528 of cash. That's real money sitting in other companies' bank accounts. If this practice is carrying a $60,000 line of credit at 11% to cover the gap that AR created, the aging report is costing $6,600 a year in interest alone.

The collection ratio is the second hit, and it's permanent. Say this practice collects 93% against a 98% target. On $965,660 of production, that 5-point gap is $48,283 a year in revenue that never arrives. Not delayed. Gone, to timely-filing denials, unappealed rejections, and small patient balances written off because nobody chased them. At a 60% overhead ratio, recovering that gap adds $19,313 straight to owner income.

Put the two together. Fixing this aging report is worth roughly $67,500 of one-time cash plus $48,000 a year of recurring revenue, against maybe 10 hours a week of focused insurance follow-up. There is no marketing campaign in dentistry with that return.

The Order of Operations for Fixing a Bad Aging Report

Work the buckets in reverse order of age, because the oldest money is the money closest to being permanently lost.

Week one: triage 90+. Print every claim over 90 days and sort by dollar amount. Work top down. For each one, answer a single question: is this collectible or is it dead? Timely-filing limits on most PPO contracts run 90 to 180 days from date of service, so some of it is genuinely gone. Write those off deliberately and note the cause. A clean aging report you can trust beats an inflated one padded with fiction.

Week two: find the repeating cause. Every claim you triaged had a reason it aged. Tally them. In most practices, 80% of the 90+ bucket traces to three or four causes: attachments not sent, benefits not verified before treatment, claims that were created but never transmitted, and secondary claims never filed after the primary paid. You are looking for a process fix, not 47 individual fixes.

Week three: put the 30-day clock to work. Every claim hitting day 31 gets worked, no exceptions. Confirm receipt, confirm nothing supplemental was requested, and if the carrier is outside its statutory window, say so on the call. Carriers move faster for offices that track the clock.

Week four: close the front-end leak. Everything above is cleanup. The permanent fix is upstream: verify benefits before the appointment, collect the estimated patient portion at time of service, keep a card on file, and get financial arrangements in writing for anything over a threshold you set.

What the Benchmarks Don't Tell You

Two caveats, because these numbers get quoted as gospel more often than they get understood.

First, payer mix changes what's achievable. A practice that's 70% PPO with three slow carriers will have a structurally heavier 31-60 bucket than a fee-for-service practice collecting at time of service. The 75/15/10 distribution is the target, but if you're at 68/20/12 with a difficult payer mix and a 97% collection ratio, you're running a good operation. Don't burn the office down chasing a number.

Second, AR ratio moves when production moves. Add an associate or an operatory and AR rises before the ratio normalizes, because you're billing more while the old collection pace is still catching up. Judge the ratio on a trailing three-month production average, not last month's number, or a good growth month will look like a billing crisis.

Where This Shows Up in Owner Decisions

It isn't. AR is the line item that determines whether a profitable practice on paper can actually make payroll in a slow February.

It also shows up at sale. A buyer's lender looks at the aging report, and a fat 90+ bucket gets discounted or excluded from the asset value entirely. Cleaning up your aging 18 months before a transition is one of the highest-return prep items available, because you're converting a discounted asset into cash at full value.

The honest answer, in a large share of cases, is that the practice doesn't have a capital problem. It has an AR problem wearing a capital problem's clothes. Borrowing $60,000 at 11% to cover a gap that a disciplined 30-day follow-up process would close is an expensive way to avoid a staffing and process conversation.

The Takeaway

Pull your aging report today, split insurance from patient AR, and calculate what percentage sits past 60 days. If it's above 20%, you have a claims process defect and the fix starts with triaging the 90+ bucket top down by dollar amount this week. Tally the causes as you go, because three or four repeating failures will explain most of the balance, and fixing those is what keeps the report clean instead of cleaning it again next quarter. Then set the standing rule that every claim hitting day 31 gets worked, and measure yourself monthly against 75/15/10, an AR ratio of 1.0, and a 98% collection ratio.