n666 remark code description Under 45 CFR 156.270, a Qualified Health Plan issuer must pay all appropriate claims for services rendered to the enrollee during the first month of the grace period and may pend claims for services rendered to the enrollee in the second and third months of the grace period..
n666. N666 denial code was described why a claim or service line was paid differently than it was billed. Check N666 denial code reason and description.
n666 Top ten unprocessable claim remark codes submitted incorrectly as an appeal To resolve an unprocessable claim, verify the required claim information, correct the information, and resubmit the claim.