Undiagnosed
Undiagnosed refers to medical conditions or symptom complexes that have not yet been assigned a definitive diagnosis following medical evaluation. It can describe an individual patient or a group of patients with long-standing clinical uncertainty. It is distinct from a misdiagnosis, in which an initial diagnosis is later corrected, and from diseases for which a cause remains unknown.
Causes of an undiagnosed state include rare or new diseases not yet recognized by clinicians, atypical presentations
Advances in diagnostic methods—such as genomic sequencing, advanced imaging, and interdisciplinary reviews—have improved the ability to
Outcomes vary widely. Some individuals later receive a diagnosis or a better understanding of their condition;