https://www.asra.com/content/documents/macra_comment_letter.pdf https://www.asra.com/content/documents/patient-relationship-categories-and-codes_-_asra_aps_aapmr_sir_sis.pdf https://www.asra.com/content/documents/patient-relationship-categories-and-codes_-_asra_aps_aapmr_sir_sis.pdf https://www.asra.com/page/1333/practice-management-content