X3 is a valid 2023 HCPCS Modifier that could be used to indicate Episodic/broad servies: for reporting services by clinicians who have broad responsibility for the comprehensive needs of the patient that is limited to a defined period and circumstance such as a hospitalization; reporting clinician service examples include but are not limited to the hospitalist's services rendered providing comprehensive and general care to a patient while admitted to the hospital.
X3 Modifier has been in effect since Jan 01, 2018.
Short description for X3 HCPCS Modifier code:
Episodic/broad services