Symptoms Library

Common symptoms and the lab tests clinicians may use to evaluate them. Informational only — not a diagnostic tool.

• Unexplained Weight Loss: When to Seek Evaluation
  Unintentional weight loss may warrant evaluation. Learn the lab tests clinicians commonly consider as part of a workup.
• Fatigue: Common Lab Tests Clinicians May Consider
  Persistent fatigue has many possible causes. Learn which lab tests are commonly used to help evaluate it.