U1 Modifier

Medicaid level of care 1, as defined by each state

Active modifier

HCPCS modifierU1
Description
Medicaid level of care 1, as defined by each state
Short description
M/caid care lev 1 state def
Added
July 1, 2002
Last change
July 1, 2002

What does the U1 modifier mean?

The HCPCS Level II modifier U1 means: “Medicaid level of care 1, as defined by each state”. Append it to a HCPCS or CPT code on the claim line when the payer’s policy calls for it; placement and payment effects are defined by each payer.

Other U modifiers