U1HCPCS Level II
Medicaid level of care 1, as defined by each state
Related modifiers
U2Medicaid level of care 2, as defined by each stateU3Medicaid level of care 3, as defined by each stateU4Medicaid level of care 4, as defined by each stateU5Medicaid level of care 5, as defined by each stateU6Medicaid level of care 6, as defined by each stateU7Medicaid level of care 7, as defined by each stateU8Medicaid level of care 8, as defined by each stateU9Medicaid level of care 9, as defined by each state
Frequently asked questions
What does modifier U1 mean?
Medicaid level of care 1, as defined by each state
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.