Medical Billing Forum
Billing => Billing => : TXBiller March 31, 2019, 07:18:18 AM
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Can someone please help me understand and resolve this one?
CO-16: Claim/service lacks information which is needed for adjudication. Additional information is supplied using remittance advice remark codes whenever appropriate. This change to be effective 4/1/2007: At least one Remark Code must be provided
MA04: Secondary payment cannot be considered without the identity of or payment information from the primary payer. The information was either not reported or was illegible.
TIA
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They are asking for the primary carrier EOB. Medicare (or the payer being billed) is apparently secondary.