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Billions of laboratory tests are performed each year in the U.S. to screen for, diagnose, and manage a wide range of diseases and conditions. Read our detailed, expert-reviewed guides to learn about many of these lab tests and empower your health.
Thyroid function tests can help detect thyroid gland disorders like hypothyroidism.
Allergy tests help determine if you are allergic to specific substances, called allergens.
STD tests are used to screen for and diagnose specific sexually transmitted diseases.