Laboratory Billing Process: Steps and CMS Guidelines (2026)
Last reviewed: October 2026 The laboratory billing process turns a test order into payment. It has more checkpoints than physician billing: the lab’s CLIA certificate, Medicare coverage rules for each test, Advance Beneficiary Notices (ABNs), the 14-day date-of-service rule and, for molecular tests, MolDX Z-Codes. This guide walks through each [...]