Clinical Diagnostic Laboratories: Get Ready to Report Starting May 1
Are you an independent laboratory, physician office laboratory, or hospital outreach laboratory that meets the definition of an applicable laboratory under the Clinical Laboratory Fee Schedule (CLFS)? If so, you must report data from May 1 – July 31, 2026, based on an updated data collection period of January 1 – June 30, 2025, including:
- Applicable HCPCS codes
- Associated private payor rates
- Volume data
How do I report?
- Review CLFS Data Collection System resources:
- View the applicable HCPCS codes (ZIP)
- Use the Data Reporting Template (ZIP)
More Information:
- CLFS & PAMA Reporting and Resources webpage
- CLFS Data Collection Webinar: April 16 from 3–4 pm ET
- CLFS (PDF) fact sheet
- FAQs
- Is My Lab an Applicable Lab? video
Clinical Lab Fee Schedule Data Collection Webinar – April 16
Thursday, April 16 from 3–4 pm ET
[Sold out as of April 9]
Clinical laboratory representatives: You may be required to submit data to CMS in the Fee-for-Service Data Collection System Clinical Lab Fee Schedule (CLFS) Module starting May 1. During this webinar, we’ll:
- Provide an overview of this data collection initiative
- Highlight how clinical laboratories can determine whether they’re applicable labs
- Discuss preparation activities and resources
- Demonstrate the CLFS Module, including user roles and how to register
We encourage you to submit your questions in advance to CLFS_Inquiries@cms.hhs.gov with “CLFS Webinar” in the subject line.
More Information:
