Visit the ama store for coding resources from the authoritative source on the cpt code set the changes and more cptr coding essentials users can also request a cpt rvu data file license from the ama to easily import codes and descriptions into existing claims and medical billing systems. Coding change application molecular pathology multianalyte assays algorithmic analyses genomic sequencing procedures american medical association current procedural terminology cptr application submission requirements all cpt code change applications are reviewed and evaluated by ama staff the cpt hcpac advisory. For the complete version of e m introductory guideline changes office or other outpatient 99202 99215 code changes prolonged services code 99354 99355 99356 99xxx and guideline changes see complete e m guideline and code changesdoc note this content will not be included in the cpt 2020 code set release category i. Description for courses in medical coding the ultimate guide to cpt r codes for accurate reimbursement and efficient claims processing cpt r 2018 professional edition is the definitive ama authored resource to help health care professionals correctly report and bill for medical procedures and services since the cpt code set is a dynamic ever changing standard an outdated codebook does