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Modifier 77

View this article for instructions on how and when to use modifier 77.

Modifier 22 fact sheet

Effective August 31, 2023, documentation is required for claims submitted with modifier 22. To avoid claim rejects and future...

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...