A Marine Corps gunnery sergeant and Afghanistan war hero saw his drug conviction overturned this fall by the Navy and Marine Corps Court of Criminal Appeals. Gunnery Sgt. Rory R. Hirst’s conviction ...

Urinalysis is one the oldest, most established, and most frequently ordered laboratory tests. However, there is wide variation in the methods, processes, quality checks, specifications, and diagnostic ...

The cups of urine travel by express mail to the Comprehensive Pain Specialists lab in an industrial park in Brentwood, Tennessee, not far from Nashville. Most days bring more than 700 of the little ...

A urine cytology test looks at the cells in your urine under a microscope. It can help your doctor diagnose some forms of urinary tract cancer. You may need one if you've had blood in your urine.

Q. How can a service member challenge a positive urinalysis? A. Don't let government prosecutors or commanders fool you: Drug test results are not infallible. They're ...