April18ASPbyHCPCS_032318.csv,04/01/2018 July18ASPbyHCPCS_062218.csv,07/01/2018 Oct18ASPbyHCPCS_100118.csv,10/01/2018 Jan19ASPbyHCPCS_010119.csv,01/01/2019 April19ASPbyHCPCS_040119.csv,04/01/2019 July19ASPbyHCPCS_070119.csv,07/01/2019 Oct19ASPbyHCPCS_100119.csv,10/01/2019