The Department of Health and Human Services, specifically the Centers for Disease Control and Prevention (CDC), is seeking insights from qualified organizations regarding the transition of the World Trade Center (WTC) Health Program's medical coding system from ICD-9 to ICD-10 and beyond. The primary objective of this Request for Information (RFI) is to identify effective methods for automating updates to member certification files, ensuring alignment with valid ICD codes to maintain the integrity of the certification process for 9/11 Responders and Survivors. This initiative is crucial for ensuring continued access to necessary healthcare services for individuals affected by the events of September 11, 2001, as established under the James Zadroga 9/11 Health and Compensation Act of 2010. Interested parties are invited to submit a white paper by November 26, 2024, detailing their experience and capabilities related to coding transitions, with inquiries directed to Laurie Presley at xnp0@cdc.gov.