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Four figures, checked at the source
Nov 2026| What it measures | Figure | Source |
|---|---|---|
| Initial claim denial rate, 2024 | 11.8% | Kodiak Solutions |
| Denials that were potentially avoidable | 84% | Optum, 2024 |
| Average cost to rework a claim | $25.20 | MGMA |
| Spent by providers on claims adjudication, 2023 | $25.7B | Premier |
Each source links to the original study. See our methodology for how we check figures.
Medical billing services by specialty
Billing and revenue cycle services by Aayur Solutions, and references for your specialty.
Services
- Medical billingFull-service billing and AR
- Revenue cycle managementEnd-to-end RCM
- Denial managementRecover denied claims
- Prior authorizationPA management
- CredentialingProvider enrollment
By specialty
Where is your revenue leaking?
Every provider faces the same problems. Pick the one costing you the most right now.
Claim denial management
The national initial denial rate was 11.8% in 2024 (Kodiak Solutions), and Optum found 84% of denials potentially avoidable. Denial management is often the single biggest improvement a practice can make.
Read the guideAR recovery: reduce days in AR
Cash trapped in aged accounts is cash you can’t use. The longer claims sit unpaid, the harder they are to collect, so proactive AR management directly determines cash flow.
Read the guidePrior authorization
Authorization issues account for about 13% of denials (Optum 2024 Revenue Cycle Denials Index), one of the largest preventable sources of revenue loss.
Read the guidePatient collections and self-pay
Patient responsibility is a large share of revenue, and often the hardest part of the cycle to collect. A structured collection workflow recovers revenue before it ages into bad debt.
Read the guideEligibility verification
Registration and eligibility problems cause about 24% of claim denials, the largest single category in the Optum 2024 Revenue Cycle Denials Index.
Read the guideUnderpayment recovery
An underpaid claim looks paid, so it never shows up in a denial report. A systematic fee schedule audit identifies what payers owe you and creates a clear path to recover it.
Read the guideMedical coding compliance
Coding errors lead to denials, payer audits and recoupments. Systematic compliance controls catch them before the claim goes out.
Read the guideMedical credentialing
Until credentialing is complete, you can’t bill a payer in network, so delays cost revenue before a single claim is submitted.
Read the guideIn-house vs outsourced billing
Work out your all-in in-house cost per dollar collected, compare it with written vendor quotes, and learn the Medicare and OIG rules for percentage fees.
Read the guideStaff burnout and billing turnover
Replacing a biller disrupts collections for months. Billing staff burnout drives errors, denials and turnover at the same time, and each costs revenue.
Read the guideSwitching billing companies
The fear of disruption keeps practices with underperforming vendors for years. A structured transition plan reduces that risk.
Read the guideHIPAA and offshore compliance
Using an offshore billing partner requires signed BAAs, security protocols and audit rights. Healthcare providers remain legally responsible for PHI wherever it’s processed.
Read the guide
Benchmark your practice for free
Three free tools to see where your revenue cycle stands. No sign-in needed for the calculator.
Medical billing ROI calculator
Enter your denial rate, days in AR and net collection rate to see your annual revenue recovery opportunity.
Try the calculator2026 RCM Benchmark Report
Verified denial rates by payer type, denial causes, prior authorization metrics and denial costs, each linked to its source.
Download the reportFree 15-minute RCM audit
A person reviews your denial rate, AR days and billing setup and tells you where to improve. Specific recommendations, no obligation.
Book the audit
Is your denial rate above 8%?
Our team will review your revenue cycle at no cost and show you where the leaks are. No obligation.
- A personal revenue cycle review from our billing team
- A reply within one business day
Small billing errors drain more than big compliance failures.
A missing modifier, an expired authorization, a filing deadline missed by a day.
- CostFree, no login, no paywall
These errors cost US providers billions every year. ABA gives you free, practical resources built by working billers.
- Written byWorking billers, many specialties
Built by Aayur Solutions’ billing team, who work across many specialties and every major US payer.
- CoverageState-specific and specialty-specific
Every guide reflects 17+ years of operational RCM work.
Medical billing by state
Every state has its own Medicaid programs, regional payers and billing rules. Find yours.
Latest from the blog
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Read the article2026 Medicare Physician Fee Schedule: conversion factor, key changes and billing impact
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Read the articleValue-based care billing guide 2026: MIPS, APMs and getting paid under VBC
How to bill the CCM, TCM, AWV and RPM codes your fee-for-service team may be missing, score above the 75-point MIPS threshold, and capture the APM conversion factor before ACO REACH ends on December 31.
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17+ years inside the revenue cycle.
The American Billing Association was built by operators with 17+ years in medical billing. Every guide here reflects what works in practice, not what sounds good in a textbook.