Every practice management system can produce an accounts receivable aging report. Far fewer practices actually read theirs — and of those, many look at the total and move on. The total is the least useful number on the page. What matters is where the money sits, how it got there, and whether it's moving.
Here's how to read an aging report the way a billing team does, and what to do about what you find.
The Buckets, in Plain Terms
An aging report groups your outstanding claims by how long they've been unpaid: typically current (0–30 days), 31–60, 61–90, 91–120, and over 120. Each bucket tells a different story.
Current (0–30 days)
This is your pipeline — claims recently submitted and working their way through payers. A healthy current bucket is normal and expected. The question here isn't the balance; it's whether claims are actually going out promptly. If charges sit unbilled for days before submission, your whole aging picture shifts older before a payer ever sees the claim.
31–60 days
Most claims that will pay cleanly pay in this window or sooner. Balances here deserve a light touch: confirm the claims were received by the payer, and watch for the ones that haven't been acknowledged at all. A claim a payer never received will age forever while looking like a claim that's merely slow.
61–90 days
This is the warning zone. Claims here have usually hit a snag — a denial nobody worked, a request for records nobody answered, a payer that needs a phone call. Every claim in this bucket should have a name, a status, and a next step attached to it. If yours don't, that's the finding.
91–120 days and over 120
Claims this old are at real risk. Timely filing and appeal deadlines vary by payer, and the older a balance gets, the fewer options remain to collect it. Money in these buckets isn't automatically lost — plenty of it is collectible with persistent follow-up — but it will not collect itself, and the clock is not neutral.
The Danger Signs to Look For
The total is stable, but the mix is shifting. A practice can hold the same A/R total month after month while the older buckets quietly grow and the current bucket shrinks. That pattern means new claims are paying and old ones are being left behind — a slow leak disguised as stability.
The over-90 balance grows faster than revenue. If your oldest buckets grow month over month, follow-up is not keeping pace with volume. The gap compounds, because the team is always working the newest problems first.
A single payer dominates the old buckets. That usually signals something specific: a credentialing or enrollment issue, a changed payer policy, or a systematic coding problem with that payer's claims. It's diagnosable, but only if someone looks at aging by payer instead of just in total.
Denials with no second touch. A denial that isn't appealed or rebilled isn't a closed claim — it's an aging one. If denied claims enter your A/R and stay there, your report is partly a denial backlog wearing a disguise.
Patient balances aging alongside insurance. Patient responsibility that isn't billed promptly after insurance pays — or isn't billed at all — drifts into the oldest buckets and is rarely recovered later.
The Follow-Up Cadence That Keeps 90+ Down
Keeping old A/R down is less about heroic cleanup efforts and more about an unglamorous rhythm:
Work claims before they're old. Follow up on unpaid claims while they're still in the 31–60 window, when a phone call or a corrected claim resolves things quickly.
Touch every aging claim on a schedule. Each claim over 60 days should be reviewed on a recurring cycle, with the payer contact, the response, and the next step documented in the system — not in someone's memory.
Work denials within days, not weeks. Speed matters twice: the corrected claim pays sooner, and appeal deadlines stay comfortably out of reach.
Review the report by payer and by bucket, monthly. Trends are invisible in a single snapshot. Comparing month to month is how you catch a payer problem or a growing bucket while it's still small.
Escalate deliberately. The oldest claims should get the most experienced attention, not the least — they're the ones closest to deadlines.
When the Report Says You Need Help
If your over-90 A/R keeps growing, if nobody on your team can say exactly what's happening with the oldest claims, or if the aging report is something you avoid opening — that's the report telling you the follow-up workload exceeds the hours available to do it. That's a capacity problem, and it's the most common reason independent practices bring in a billing partner.
Get a Second Set of Eyes on Your Aging
Doctors One Solution offers a free 15-minute billing and A/R review. Bring your aging report; we'll walk through the buckets with you, point out what we'd work first, and give you an honest read on what's collectible.
Contact us or call (855) 570-4077 to schedule your review.