you can find guidance about coverage and billing for preventive and screening serves in Chapter 18 of the Medicare Claims Processing Manual Chapter 18 - Preventive and Screening Services https://www.cms.gov/Regulations-and-Guidance/Guidance/Manuals/downloads/clm104c18.pdf Major Category IV: Excluded Preventive and Screening Services Preventive and screening services are excluded from the Part A payment made under the SNF PPS, but are subject to SNF CB. As such, they are separately payable under Medicare Part B, but only to the SNF. The SNF must bill the services listed on the next page for beneficiaries in a Part A stay with Part B eligibility on TOB 22X. ===== The first two files list codes that physicians, nonphysician practitioners, and suppliers (other than ambulance suppliers) can bill separately to the Part B MAC . If neither file lists the code for the service, the service is subject to SNF consolidated billing and the physician, nonphysician practitioner, or s...