Bedrock Billing Engineering Blog¶

Welcome to our engineering blog! Here, we share deep dives into the technical challenges we face building modern healthcare revenue cycle infrastructure, open-source releases, and architectural lessons learned.

Latest Posts¶

• Porting the CMS Outpatient Code Editor to Pure Python: Introducing PyOCE - May 7, 2026
  How we rebuilt the CMS I/OCE — the 150+ rule outpatient claims engine behind OPPS — as a production-grade, open-source Python library with LMDB-backed reference data.

• Ditching the JVM: How we rewrote the CMS MS-DRG Grouper in Zig to run 14x faster - March 25, 2026
  A deep dive into why we built mz-drg, an open-source, ultra-fast Zig reimagining of the Medicare MS-DRG Java application.