Frequently Asked Questions

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How should modifier 59 be reported under the National Correct Coding Initiative (NCCI) program?

Modifier 59 is used to indicate a "distinct procedural service". (See Modifier 59 article at for information about proper use of modifier 59.) Modifier 59 may not be appended to the evaluation and management (E&M) services Current Procedural Terminology (CPT) codes 99201-99499 or radiation treatment management CPT code 77427.

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