TransmittalsPub. 100-20, One-Time Notification Add Dates of Service (DOS) for Pneumococcal Pneumonia Vaccination (PPV) Health Care Procedure Code System (HCPCS) Codes (90670, 90732), and remove Next eligible dates for PPV HCPCS, Trans. 2372 (Oct. 11, 2019)Pub. 100-06, Medicare Financial Management Manual Notice of New Interest Rate for Medicare Overpayments and Underpayments -1st Qtr Notification for FY 2020, Trans. 327 (Oct. 11, 2019) This document is only available to subscribers. Please log in or purchase access. Purchase Login