Rejection Message
COB Amount is missing or invalid

This rejection indicates that the claim is being submitted to a secondary payer and the primary payer payments and or adjustments (COB) has not been entered or is incorrect. 

Resolution
You must enter the primary payer's response to the claim prior to attempting to submit to the secondary payer. Enter any payments and or adjustments from the primary payer. Once entered, you can go ahead and resubmit this claim to the secondary payer.