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 ...

A urine protein test measures the amount of protein present in urine. Healthy people don’t have a significant amount of protein in their urine. However, protein may be excreted in the urine when the ...

Creatinine levels can be measured through a urine test. Abnormal levels of creatinine in a person’s urine can indicate medical issues, such as kidney infection, kidney stones, and diabetes. Creatinine ...

Doctors use a combination of tests, including urinalysis, cystoscopy, urine culture, and bladder wall biopsy to diagnose interstitial cystitis. For males, they may also examine prostate secretions.