In addition to blood tests and MRIs, lumbar punctures and evoked potential tests can help support MS diagnosis by analyzing cerebrospinal fluid and measuring electrical activity in the brain.

A pregnant, primiparous 32-year-old woman at 28 weeks’ gestation presented for a routine prenatal visit. Blood work showed thrombocytopenia with platelet count of 60 (reference range 130–380) × 109/L.

What about other types of drug tests? Blood, hair, or saliva can also be used to test for certain drugs. A hair test can detect drug use, including the use of mushrooms, from the last 90 days.

Range Buying Guide 08:01 What is the right range for you? You’ll use it almost daily. That’s why at Consumer Reports we check cooking, baking, broiling, and self-cleaning when we test ranges.