Sandbox:Hematuria overview

Hematuria is the presence of blood cells in the urine. Gross hematuria is when blood is visible in the urine. Microscopic hematuria is defined as 3 or more red blood cells per high-powered field in a properly collected urine sample.

Classification

1. Microscopic hematuria: efined as the presence of three or greater red blood cells per high powered field on a properly collected urinary specimen in the absence of an obvious benign cause.^[1]
2. Transient hematuria: A single urinalysis with hematuria is common and can result from menstruation, viral illness, allergy, exercise, or mild trauma.
3. Persistant or Significant hematuria: >3 RBCs/HPF on three urinalyses, a single urinalysis with >100 RBCs, or gross hematuria