This pre-submission guidance provides an overview of the mechanisms available to
submitters for requesting feedback from or a meeting with the Food and Drug Administration (FDA) regarding potential or planned medical device Investigational Device Exemption (IDE) applications, Premarket Approval (PMA) applications, Humanitarian Device Exemption (HDE) applications, Evaluation of Automatic Class III Designations (De Novo requests), Premarket Notification (510(k)) Submissions, Clinical Laboratory Improvement Amendments (CLIA) Waiver by Applications (CW), Dual 510(k) and CLIA Waiver by Application Submissions (Duals), Accessory Classification Requests, and certain Investigational New Drug Applications (INDs) and Biologics License Applications (BLAs) submitted to the Center for Biologics Evaluation and Research (CBER)) (specifically, INDs and BLAs for devices that are regulated as biological products under section 351 of the Public Health Service (PHS) Act).