P4HCPCS Level II
A patient with severe systemic disease that is a constant threat to life
Related modifiers
P1A normal healthy patientP2A patient with mild systemic diseaseP3A patient with severe systemic diseaseP5A moribund patient who is not expected to survive without the operationP6A declared brain-dead patient whose organs are being removed for donor purposesPASurgical or other invasive procedure on wrong body partPBSurgical or other invasive procedure on wrong patientPCWrong surgery or other invasive procedure on patient
Frequently asked questions
What does modifier P4 mean?
A patient with severe systemic disease that is a constant threat to life
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.