Not every health disorder can be diagnosed with a simple lab test.
It's bcs Many conditions cause similar symptoms.
So, A differential diagnosis is used to help diagnose those health disorders & conditions that cause similar symptoms.
For example, many infections cause fever, headaches, and fatigue.
Many mental health disorders cause sadness, anxiety, and sleep problems.
Now, It often involves several tests.
These tests can rule out conditions and/or determine if you need more testing.
How doctors make a differential diagnosis?
Most differential diagnoses include ....
a physical exam and a health history.
You'll also be asked about your family's health problems.
Your provider may also order lab tests for different diseases.
Lab tests are often done on blood or urine.
If a mental health disorder is suspected, you may get a mental health screening.
The exact tes
![](https://i.ytimg.com/vi/_Pa7yv-Y5fw/maxresdefault.jpg)