Denial rate
The denial rate is the percentage of submitted claims denied by the payer, a measure of how much rework the revenue cycle must absorb.
Updated
The denial rate is the percentage of submitted claims that are denied by the payer in a defined period. It is calculated as denied claims over submitted claims (or, in some definitions, over paid claims) and is a primary measure of how much avoidable rework the revenue cycle is producing and absorbing.
A denial is not the same as a rejection: a rejection is returned before adjudication (typically for a formatting or eligibility problem), while a denial is an adjudicated decision that the claim is not payable as submitted. The denial rate captures the adjudicated-denial burden, and breaking it down by reason code is what makes it actionable rather than just a number.
In practice
The headline denial rate is most useful when it is broken down by CARC/RARC reason code and by root cause (eligibility, authorization, coding, timely filing), because a single aggregate rate hides the few reasons that drive most of the volume. Trending the rate, and the reason mix, is how a practice tells whether prevention is working or whether it is only managing the resulting denials.
Commonly confused with
- Clean-claim rate: The clean-claim rate measures claims paid first time without any rework; the denial rate measures adjudicated denials. A claim rejected for correction fails the clean-claim rate but is not a denial; the two measure overlapping but distinct failure modes.
- Claim rejection: A rejection is returned before adjudication; a denial is an adjudicated decision. The denial rate measures denials, not rejections, and the distinction matters because the corrective action for each differs.