TransmittalsPub. 100-04, Medicare Claims Processing January 2021 Quarterly Update to the Inpatient Prospective Payment System (IPPS) and Long Term Care Hospital (LTCH) Fiscal Year (FY) 2021 PPS Pricers, Trans. 10543 (January 28, 2022)Pub. 100-05, Medicare Secondary Payer Electronic Correspondence Referral System (ECRS) Updates to the Medicare Secondary Payer (MSP) Development Letter and Additional Operational Updates, Trans. 11247 (January 28, 2022) This document is only available to subscribers. Please log in or purchase access. Purchase Login