The Centers for Medicare & Medicaid Services (CMS) requests that Medicare Administrative Contractors (MACs) accommodate expansion of downstream systems to allow for 50 detail lines for claims processing systems. Shared System Maintainers shall provide design estimates. Contractors shall make alterations to transmit records.
Subject: Part B Detail Line Expansion - Common Working File (CWF)
Release Date: April 28, 2017
Effective Date: January 1, 2018
Implementation Date: January 2, 2018
Special Notes: N/A