X1HCPCS Level II
Continuous/broad services: for reporting services by clinicians, who provide
Related modifiers
X2Continuous/focused services: for reporting services by clinicians whoseX3Episodic/broad services: for reporting services by clinicians who have broadX4Episodic/focused services: for reporting services by clinicians who provideX5Diagnostic services requested by another clinician: for reporting services by aXESeparate encounter, a service that is distinct because it occurred during aXPSeparate practitioner, a service that is distinct because it was performed by aXSSeparate structure, a service that is distinct because it was performed on aXUUnusual non-overlapping service, the use of a service that is distinct because
Frequently asked questions
What does modifier X1 mean?
Continuous/broad services: for reporting services by clinicians, who provide
HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.