Section 510.210 - Determination of the episode(a)General.(1) An episode begins with the admission of a Medicare beneficiary described in § 510.205 to a participant hospital for an anchor hospitalization and ends on the 90th day after the date of discharge, with the day of discharge itself being counted as the first day in the 90-day post-discharge period.(2) On or after July 4, 2021, an episode- (i) Begins and ends in the manner specified in paragraph (a)(1) of this section; or(ii) Begins on the date of service of an anchor procedure furnished to a Medicare beneficiary described in § 510.205 and ends on the 90th day after the date of service of the anchor procedure.(b)Cancellation of an episode. The episode is canceled and is not included in the determination of NPRA as specified in § 510.305 if any of the following occur:(1) The beneficiary does any of the following during the episode:(i) Ceases to meet any criterion listed in § 510.205 .(ii) Is readmitted to any participant hospital for another anchor hospitalization, or, on or after July 4, 2021, receives an anchor procedure at any participant hospital.(iii) Initiates an LEJR episode under BPCI.(2) For performance year 3, the participant hospital did not submit a participation election letter that was accepted by CMS to continue participation in the model. 80 FR 73540 , Nov. 24, 2015, as amended at 82 FR 57104 , Dec. 1, 2017; 86 FR 23571 , May 3, 2021 82 FR 57104 , 1/1/2018; 86 FR 23571 , 7/2/2021