XU - JF Part A
Modifier XU
Definition
Unusual Non-Overlapping Service, The Use Of A Service That Is Distinct Because It Does Not Overlap Usual Components Of The Main Service
Appropriate Usage
- Append when coding pairs are part of National Correct Coding Initiative (NCCI) procedure to procedure edits
- Append when documentation indicates service was not part of usual components of main service
- Append to Column 2 procedure code in NCCI files
- Append only when there is no other modifier to describe situation
Inappropriate Usage
- Code pairs are not part of the NCCI procedure to procedure edits
- If another valid modifier exists to identify the service does not overlap the usual components of the main service - the column 1 procedure code
- Submission of E/M Codes
- Submission of Weekly radiation therapy management codes (CPT 77427)
- The NCCI code files show the modifier application as "0"
- Documentation supports the service is a component of the main service
- Exact same procedure code performed twice on the same day
- Multiple administration of injections of the same drug
- Submitted with Modifier 59
Additional Information
- National Correct Coding Initiative Edits
- CMS Change Request (CR) 8863 - Specific Modifiers for Distinct Procedural Services
- MLN Fact Sheet Proper Use of Modifiers 59 & –X{EPSU}