Diagnosis

Diagnosis is the process of identifying a disease or medical condition by analyzing a patient's symptoms, signs, medical history, physical examination, and test results.

### Key aspects:

* Involves clinical reasoning to determine the underlying cause of a problem * May use imaging, lab tests, biopsies, and other tools * Leads to a label or name for the condition (e.g., “glioblastoma,” “lumbar disc herniation”)

### In summary:

Diagnosis is the act of determining what disease or condition is causing a person's symptoms.