Diagnostic overshadowing occurs when a clinician attributes new or co-occurring symptoms to a person’s existing diagnosis, leading to underdiagnosis or misdiagnosis of other conditions. This phenomenon is especially common among individuals with developmental disabilities, chronic illness, or severe mental health disorders, such as schizophrenia or autism. For example, if a person with a known psychiatric condition reports physical pain or anxiety, it may be dismissed as “part of their mental illness” rather than explored as a separate issue. This bias can result in inadequate care, untreated symptoms, and increased patient distress. Diagnostic overshadowing reflects systemic gaps in training, awareness, and cross-disciplinary collaboration. It is not always intentional but can be deeply harmful. For clients, it reinforces feelings of invisibility or invalidation. For clinicians, becoming aware of this pattern allows for more comprehensive and person-centered assessments. Addressing diagnostic overshadowing requires cultural humility, trauma-informed care, and active listening. Advocacy and proper documentation can also help challenge this form of clinical bias. Every symptom deserves attention—regardless of diagnosis history.

How to Get Reimbursed for Online Therapy in 2025
Step-by-step instructions to use insurance—or claim it back yourself—for online therapy in 2025, plus low-cost tips when you have no coverage.




