L-Codes {Ans: Orthotic procedures and services and prosthetic procedures}J-Codes {Ans: Drugs administered other than oral method and injectable chemotherapy drugs}R {Ans: Residence}ALS1 {Ans: Advanced life support, level 1}Relative Value units (RVU) {Ans: CMS reimburses physicians for Medicare services using a national payment schedule based upon the resources used in furnishing physician services. RVUs are configured using work based on specialties, practice expense, and physician liability insurance}H {Ans: Hospital}