Why do I need a mucus in urine test?A urinalysis is often part of a routine checkup. Your health care provider may include a mucus in urine test in your urinalysis if you have symptoms of a UTI. These include:Frequent urge to urinate, but little urine is passedPainful urinationDark, cloudy, or reddish-colored urineBad smelling urineWeaknessFatigue
