Urine drug test (UDT) data can generate timely estimates of overdose deaths, a new study suggests. The study, published in JAMA Network Open by specialty lab Millennium Health and The Ohio State ...

A urine concentration test determines how well your kidneys are functioning. The test may be used to test your kidneys’ response to: too much fluid intake (water loading) too little fluid intake ...

How to Prepare for a Urine pH Test Before performing the test, your doctor may advise you to avoid taking medications that can affect your urine pH. These include: Ammonium chloride, present in ...