Denial Rate Calculator

Understanding Your Medical Billing Denial Rate

Claim denials are one of the biggest revenue drains in medical billing. Every denied claim costs your practice money — both in lost revenue and in the staff time required to rework and resubmit. Understanding your denial rate is the first step toward reducing it.

Claim-Based vs. Dollar-Based Denial Rate

There are two ways to measure denial rates, and you should track both:

• Claim-based denial rate — Number of denied claims ÷ total claims submitted. This tells you what percentage of your claims are being rejected.
• Dollar-based denial rate — Dollar amount denied ÷ total dollars billed. This tells you the financial impact. A few high-dollar denied claims can have more impact than many small ones.

The True Cost of Denials

Denials are expensive far beyond the face value of the denied claim:

• $25-$30 per denial in staff rework costs (AAFP estimate)
• 50-65% of denials are never reworked — pure lost revenue
• Delayed cash flow — even recovered denials take 30-60 extra days to pay
• Staff burnout — denial management is the most time-consuming billing task

Top Denial Prevention Strategies

• Verify eligibility before every visit — catches coverage gaps before services are rendered
• Obtain authorizations proactively — don't submit claims that need auth without it
• Scrub claims before submission — automated claim scrubbing catches 80% of preventable errors
• Use correct modifiers — modifier errors are the #1 coding-related denial reason
• Submit claims within 24-48 hours — reduces timely filing denials and accelerates payment
• Track denial patterns — identify root causes and fix processes, not just individual claims

How Atlas Billers Reduces Denials

Atlas Billers maintains a 97.2% first-pass acceptance rate — meaning less than 3% of claims are denied on initial submission. We achieve this through certified specialty coders, real-time eligibility verification, automated claim scrubbing, and a dedicated denial management team that reworks every denial within 24 hours. Our clients see an average 40% reduction in denial rates within the first 90 days.