Denial recovery vs. A/R recovery: what is the difference?
Denial recovery is the correction, appeal, or dispute of claims a payer has refused to pay. A/R recovery is broader: it works every unpaid insurance claim past its normal payment period, which includes denials but also claims never received, claims with no follow-up, underpayments, and claims stuck in payer processing. Denial recovery is one workstream inside A/R recovery.
Side by side
| Denial recovery | A/R recovery | |
|---|---|---|
| Scope | Claims with a denial on file | All unpaid insurance claims past 90 days (or the agreed age) |
| Starting point | Denial code (CARC/RARC) | Aging report; status verified with the payer |
| Main activities | Corrected claims, appeals, documentation, peer-to-peer | Everything in denial recovery plus refiling, status escalation, COB, underpayment disputes |
| Deadlines that govern | Appeal windows | Appeal windows and timely-filing limits |
| Typical trigger | Rising denial rate | Rising 90+ day percentage; vendor or system change |
| Output | Overturned denials; denial root causes | Recovered dollars by claim; write-off list with reasons; root causes |
Why the distinction matters
A practice with a rising 90+ day balance and a low denial rate does not have a denial problem; it has an unworked-claims problem, and a denial-management tool will not find claims the payer never received. Conversely, a practice whose aged A/R is mostly denials with open appeal windows needs appeal writers, not callers. Cutting the aging report by denial reason and by last action shows which one you have; see how to read an aging report.
Denials inside an aged queue
In practice the two overlap heavily. Most 90+ day claims carry a denial, and most denials are worth working: HHS's Office of Inspector General found 13% of sampled Medicare Advantage prior-authorization denials and 18% of payment denials met Medicare coverage rules (OIG, 2022). Medicare's appeal process has five levels, starting with a redetermination within 120 days of the initial determination (CMS). An A/R recovery engagement works those denials as one path among several; a denial-recovery engagement works only them.
Which one to buy
- Denial management (prevention): front-end tools and workflow fixes for authorizations, eligibility, and coding edits. Reduces new denials. Belongs with your billing team.
- Denial recovery (backlog): appeals on existing denials inside their windows. Useful when the aged queue is mostly denials.
- A/R recovery (whole aged queue): verification, refiling, appeals, underpayment disputes, and write-off documentation across every 90+ day claim. Useful when nobody owns the aged queue. See medical A/R recovery and denial recovery.
Sources
- HHS Office of Inspector General, OEI-09-18-00260 (April 2022): 13% of sampled Medicare Advantage prior-authorization denials and 18% of payment denials met Medicare coverage and billing rules
- CMS, Original Medicare (fee-for-service) appeals: five levels; redetermination within 120 days, reconsideration within 180 days
- KFF, Medicare Advantage prior authorization analyses (requests, denial rates, appeal rates, overturn rates)
- CMS, Interoperability and Prior Authorization Final Rule (CMS-0057-F) fact sheet
Figures attributed to a source are that source's; commonly used benchmarks are labeled as such. Verify deadlines against your own payer contracts.
Related articles
Related services
- Denial recovery — Authorization, medical necessity, coding, eligibility, timely filing, and underpayment denials.
- Medical A/R recovery — 90+ day insurance claims for medical practices, on contingency.