The second paragraph of the section guidelines for "Cardiovascular Device Monitoring -- Implantable Devices" states, "A period is established by the initiation of the remote monitoring or the 91st day of a pacemaker or implantable cardioverter-defibrillator (ICD) monitoring or the 31st day of an implantable loop recorder (ILR) or implantable cardiovascular monitor (ICM) monitoring and extends for the subsequent Correction: The bolded section should instead read "90 or 30 days." Resource: You can find CPT manual errata online at www.ama-assn.org/ama/pub/category/3896.html.