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Urine RBC by age and sex

How the usual range for urine RBC changes with age, as labs print it.

AI-verified against cited sources. Awaiting expert review

The usual range at every age

The reference range labs print, for each age group. Ranges differ a little between labs, so the range on your own report is the one your result is judged against.

Use the left and right arrow keys to step through the age groups. Every range is also in the table below.

Usual range of Urine RBC by age, in /HPF
WhoUsual range
under 180–5 /HPF
18+0–2 /HPF

Sources: American Family Physician 2022;106(1):27-35B, Labcorp, American Urological Association / Society of Urodynamics, Female Pelvic Medicine & Urogenital Reconstruction, Scientific Reports 2021;11:20981