2 doctors weighed in:

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?

2 doctors weighed in
Dr. Ed Friedlander
Pathology
1 doctor agrees

In brief: 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.

In brief: 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.
Dr. Ed Friedlander
Dr. Ed Friedlander
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