Tips to prevent RUC CO4

This CARC code is received when a claim is submitted and the procedure code(s) are billed with the wrong modifier(s), or the...

The “payment floor” is a waiting period during which time the contractor may not pay, issue, mail, or otherwise finalize the initial determination on a clean claim. There are different waiting periods for electronic claims and paper claims. The waiting periods are 13 days for electronic claims and 28 days for paper claims. However, the payment may not be issued until day 14 (electronic) or 29 (paper).

If your provider type, supplier type, physician specialty, or non-physician specialty type is not listed in the application, please select other, undefined physician specialty, or undefined non-physician practitioner specialty. Then list your type or specialty in the provided field.

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