Understand Medical Tests

Diagnostic Tests

MedlinePlus Logo

Published by the National Library of Medicine and the National Institutes of Health, this database provides easy-to-understand reports on health conditions, medical tests, drugs, and surgical procedures that reflect the most current knowledge and medical advances.

Diagnostics and Testing

Cleveland Clinic

Learn about Diagnostics & Testing from the Cleveland Clinic, one of the largest and most respected hospitals in the country.

Gale Encyclopedia of Surgery and Medical Tests, 3rd Edition

The Gale Encyclopedia of Surgery and Medical Tests

Provides coverage of numerous surgical procedures, medical tests and related topics, such as anesthetics, common lab test and procedures, medications and postoperative care.

Requires Library Card

Lab Tests Online

American Association for Clinical Chemistry

Lab Tests Online is an award-winning health information web resource designed to help patients and caregivers understand the many lab tests that are a vital part of medical care.

Laboratory Tests

MedlinePlus Logo

Laboratory tests check a sample of your blood, urine, or body tissues. A technician or your doctor analyzes the test samples to see if your results fall within the normal range. The tests use a range because what is normal differs from person to person.

Patient Care and Health Information

Mayo Clinic

Get answers from Mayo Clinic's world renowned medical staff about diseases and conditions; treatments; drugs & supplements; tests & procedures; a symptoms checker; and healthy living for all stages of life.

Tests and Treatments

Consumer Reports: Consumer Health Choices

Prepare yourself for discussions and decisions with these plain-language guides. We cover the most commonly used — and overused — tests, imaging methods, drugs and procedures.

Subscribe to RSS - Understand Medical Tests