HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating most recent urea reduction ratio (URR) reading of 60 to 64.9.
The Rantings of the barely human.
HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating most recent urea reduction ratio (URR) reading of 60 to 64.9.