Sleep apnea is a disorder of disturbed breathing during sleep. Read our guide for details about the types of sleep apnea tests, including at-home tests.
Sputum is a thick mucus produced in the lungs. A sputum culture test checks for infections that can cause pneumonia, tuberculosis, and other lung conditions.
What are the costs and benefits of workplace drug testing? Learn more about the types of workplace drug testing, the laws, and how it’s used in various states and industries.
High standards of quality for clinical laboratories are maintained by federal and state government, laboratory professional organizations, and individual laboratories themselves.
Learn about the roles and qualifications of the many skilled professionals who work in clinical laboratories, including technologists, pathologists, and other laboratorians.