2026 Preliminary Clinical Laboratory Fee Schedule (CLFS) Gapfill Determinations

CMS released the 2026 Preliminary Clinical Laboratory Fee Schedule (CLFS) Gapfill Determinations last week, which will be implemented on the CY 2027 CLFS. The preliminary determinations include proposed Medicare Administrative Contractor (MAC) gapfill pricing recommendations for applicable new and reconsidered laboratory test codes.

Direct Download: https://www.cms.gov/files/zip/2026-preliminary-determinations.zip

Source: https://www.cms.gov/medicare/payment/fee-schedules/clinical-laboratory-fee-schedule-clfs/annual-public-meetings