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Dr. Ravoof
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I just completed an urinalysis where my UA HGB was 10 (trace)

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I just completed an urinalysis where my UA HGB was 10 (trace) evidencing blood in the urine but my RCB HPF was at normal range 0-3...how can that be?
Submitted: 7 years ago.
Category: Medical
Expert:  Dr. Ravoof replied 7 years ago.
Hello,

Thanks for your question.

Hemoglobin in the urine is called hemoglobinuria. Hemoglobin is the protein in the red blood cells and comes from the breakdown of red blood cells.

Basically in disorders where there is excessive breakdown of red blood cells such as hemolytic anemia or other causes of hemolysis (e.g.,
drugs, parasites, transfusion reaction), hemoglobin may be seen in the urine without RBC's. Also exercising may sometimes cause hemoglobinuria.

Trace amounts of hemoglobin does not mean there is a medical problem, and urinalysis must be repeated in such cases for confirmation. If confirmed further tests such as complete blood count, imaging study of the kidney, or cystoscopy may be indicated.

Take care.



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