U.S. doctors online nowAsk doctors free
LA
A 33-year-old female asked:

I got my cbc and urinalysis results back. i have no rbc or wbc in my urine but i have trace occult blood in the urine. what could be the be the cause?

1 doctor answer2 doctors weighed in
Dr. Ed Friedlander
Pathology 46 years experience
Some ideas: A few red cells may have lysed in a dilute urine. This may be myoglobin or free hemoglobin from your exercising. There may have been contamination if it was your time of month. Or it may be a lab error. Your physician may decide to just watch it, or repeat the test.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Feb 7, 2020

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.