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β-Propeller protein–associated neurodegeneration (BPAN) is a rare, X-linked condition caused by pathogenic variants in the WDR45 gene that result in a defect of autophagy. Classified as a disorder of neurodegeneration with brain iron accumulation, β-propeller protein–associated neurodegeneration is associated with severe neurologic impairments. With the anticipation of future therapeutic trials, this project characterizes the family's perspective of the impact of disease and defines Health Concepts (HC). Children with a molecularly confirmed diagnosis of β-propeller protein–associated neurodegeneration were enrolled in a prospective natural history study. We administered the Vineland Adaptive Behavior Scales–Third Edition and provided health-related quality of life questionnaires to 42 caregivers. Questionnaires included Pediatric Quality of Life Inventory–Generic Core and Pediatric Quality of Life Inventory–Family Impact modules, Caregiver Priorities and Child Health Index of Life with Disabilities, and Caregiver TBI-CareQoL. The Vineland Adaptive Behavior Scales–Third Edition (n = 42) captured the family's perspective that communication was more affected compared with socialization, activities of daily living (ADL), and motor skills (P <.0001, P <.0001, P =.0053, respectively). Similarly, on the Caregiver Priorities and Child Health Index of Life with Disabilities (n = 26), Pediatric Quality of Life Inventory–Generic Core (n = 27), CareQol (n = 26), and Pediatric Quality of Life Inventory–Family Impact (n = 27), communication abilities, as well as social functioning and activities of daily living, were noted to be most impacted. Through the use of standardized surveys and outcome assessments, we establish the effects of β-propeller protein–associated neurodegeneration on caregiver quality of life. Key health concepts identified by families included overall health, comfort, and communication. The identified HC will inform the future identification of concept of interest and selection of appropriate clinical outcome assessments through the administration of patient-reported outcomes. [ABSTRACT FROM AUTHOR]