Dentovio public answer
CO 16 denial code dental
On a dental remittance, code CO 16 means: The claim is missing information or contains a submission or billing error; the remittance must carry a remark code saying what is missing. Not used for missing attachments. technical: fix and resubmit. This is not an appeal situation — correct the identified element and resubmit. Track the payer's timely-filing window while you fix it: a corrected claim must still land inside it.
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- Practice operations
- Last verified
- 2026-08-29
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Source citations
- X12-CARC X12 Claim Adjustment Reason Codes (official list) (x12.org)