Microhematuria

Microhematuria, also called microscopic hematuria (both usually abbreviated as MH), is a medical condition in which urine contains small amounts of blood; the blood quantity is too low to change the color of the urine (otherwise, it is known as gross hematuria). While not dangerous in itself, it may be a symptom of kidney disease, such as IgA nephropathy or Sickle cell trait,[1] which should be monitored by a doctor.

The American Urological Association (AUA) recommends a definition of microscopic hematuria as three or more red blood cells per high-power microscopic field in urinary sediment from two of three properly collected urinalysis specimens.[2]

Microhematuria is usually asymptomatic, and there are medical guidelines on how to handle asymptomatic microhematuria (AMH) so as to avoid problems such as overtreatment or misdiagnosis.

See also

References
  1. "Sickle Cell trait and Hematuria: Information for healtchare providers" (PDF). cdc.gov. Center for Disease Control and Prevention. Retrieved 01/05/2016. Check date values in: |access-date= (help)
  2. Grossfeld, G.; Wolf Jr, J.; Litwan, M.; Hricak, H.; Shuler, C.; Agerter, D.; Carroll, P. (March 15, 2001). "Asymptomatic microscopic hematuria in adults: Summary of the AUA best practice policy recommendations". American Family Physician. 63 (6): 1145–1154. PMID 11277551.
  • Cohen RA, Brown RS (2003). "Clinical practice. Microscopic hematuria". N. Engl. J. Med. 348 (23): 2330–8. doi:10.1056/NEJMcp012694. PMID 12788998.
  • 2012 AUA Guidelines
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