Glossary · Metrics and close
What is A/R aging?
A/R aging sorts unpaid balances by how long they've been outstanding, usually in 30-day buckets. Older money is harder to collect, so the oldest buckets show where revenue is at risk.
Example · fictional data
An aging report by payer. The 120+ column is where the losses hide.
A/R aging, March 31, 2026
| Payer | 0-30 | 31-60 | 61-90 | 91-120 | 120+ |
|---|---|---|---|---|---|
| Example Health Plan | $210,400 | $64,300 | $18,900 | $6,200 | $9,800 |
| Sample Medicare | $188,700 | $22,100 | $4,300 | $1,100 | $700 |
| Sample Medicaid | $96,200 | $41,800 | $22,600 | $14,900 | $31,400 |
| Patient balances | $38,900 | $21,200 | $12,700 | $9,400 | $17,600 |
- Sample Medicaid has a third of its balance past 90 days. That's a payer problem, or a follow-up problem, worth a look this week.
An aging report answers a simple question: how old is the money we’re owed? Each claim’s balance lands in a bucket by age, from the date of service or the date it was billed, depending on the report.
How to read it
- Most money should be in 0 to 30 days. That’s normal processing time.
- Growth in 61 to 120 days means claims are stalling: unworked denials, missing information, unanswered status checks.
- 120+ days is where timely filing and appeal windows run out, and where write-offs come from.
Breaking aging down by payer, and by why each claim is unpaid, turns it from a report into a worklist.
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