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.
Insurance Encyclopedia
G20
The Group of 20 is the name given to the group of 20 finance ministers and central bank governors from 20 of the world’s largest economies. It includes 19 countries and the E.U. (which itself is composed of 27 member states). A list of G20 companies can be found at: https://www.g20.org/about_g20/g20_members .