TransmittalsPub. 100-04, Medicare Claims Processing Manual Billing for Hospital Part B Inpatient Services, Trans. 4394 (Sept. 13, 2019) Quarterly Healthcare Common Procedure Coding System (HCPCS) Drug/Biological Code Changes - October 2019 Update, Trans. 4396 (Sept. 17, 2019) This document is only available to subscribers. Please log in or purchase access. Purchase Login