Dental claim denials explained
The 14 reasons dental claims come back unpaid, in plain English: what the explanation of benefits means, what to check, and whether to fix it, appeal it or bill the patient.
Updated November 11, 2026
- Frequency limit reached Depends on the plan. “Exceeds frequency limitation”, “Frequency limit met”
- Yearly maximum reached Usually the patient's to pay. “Annual maximum met”, “Benefit maximum reached”
- Waiting period not met Depends on the plan. “Waiting period has not been satisfied”, “Service not covered during waiting period”
- Not a covered benefit Usually the patient's to pay. “Service not covered under this plan”, “Plan exclusion”
- Alternate benefit applied Usually the patient's to pay. “Benefit based on alternate procedure”, “Least expensive alternative treatment applied”
- Included in another procedure Appeal when the records support it. “Part of another procedure on this claim”, “Bundled service”
- More information needed Usually fixable: correct and resend. “Additional information requested”, “X-rays required”
- Patient not covered on the date of service Usually fixable: correct and resend. “Coverage has ended”, “Patient not eligible on date of service”
- Other insurance information needed Usually fixable: correct and resend. “Coordination of benefits information needed”, “Other carrier primary”
- Filed after the deadline Appeal when the records support it. “Past the filing limit”, “Claim not filed timely”
- Missing tooth clause Depends on the plan. “Tooth missing prior to coverage”, “Replacement of tooth extracted before effective date”
- Not supported by the records Appeal when the records support it. “Not dentally necessary”, “Documentation does not support the service”
- Replacement too soon Depends on the plan. “Replacement limitation not met”, “Prosthesis replaced within limitation period”
- Applied to deductible Usually the patient's to pay. “Applied to deductible”, “Patient deductible”
Insurers word these differently, and many print a numbered reason code too. Read the words on the explanation of benefits; they say which of these it is.
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