Dentovio public answer

CO 151 denial code dental

On a dental remittance, code CO 151 means: The payer judged that the submitted information does not support this quantity or frequency of services. depends: check the facts first. Contractual frequency limits are final. What is winnable: history errors (the prior service the payer counted was miscoded, another provider's, or outside the window) and replacement exceptions the policy itself allows — catastrophic failure narratives for crowns, documented disease progression for periodontal maintenance.