Letters Haematuria

Don’t use urine microscopy to confirm microscopic haematuria

BMJ 2009; 338 doi: https://doi.org/10.1136/bmj.b2629 (Published 29 June 2009) Cite this as: BMJ 2009;338:b2629
  1. Peter A Andrews, consultant nephrologist1
  1. 1South West Thames Renal and Transplantation Centre, St Helier Hospital, Carshalton, Surrey SM5 1AA
  1. peter.andrews{at}esth.nhs.uk

    The presence of urinary myoglobin will generate occasional false positive results when using dipstick urine analysis for diagnosing microscopic haematuria. However, it is poor practice to attempt to confirm the presence of red cells by urine microscopy.1 Urinary red cells …

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