CPT® Modifiers

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The modifiers crosswalk is a fast and effective way check allowed modifiers for each CPT® and HCPCS Level II code. A modifier gives insurers' more information about a claim's procedure or service and often has a financial impact. Omitting or misusing a modifier can cause a claim to be rejected or paid incorrectly. This tool provides quick access to detailed descriptions of different modifiers that are appropriate to use with a code including which entities are allowed to bill the modifier.

  • Verify allowed modifiers for each CPT® and HCPCS Level II code
  • Detailed description of each modifier
  • Verify entities allowed to bill the modifier

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