Importance: Data sets linking comprehensive genomic profiling (CGP) to clinical outcomes may accelerate precision medicine.
Objective: To assess whether a database that combines EHR-derived clinical data with CGP can identify and extend associations in non-small cell lung cancer (NSCLC).
Design, Setting, And Participants: Clinical data from EHRs were linked with CGP results for 28 998 patients from 275 US oncology practices.