The risk category for microhematuria in a woman can be determined based on the 2020 AUA/SUFU microhematuria guidelines. While often associated with a benign condition, microhematuria can be seen in genitourinary cancers and should not be ignored.
Parameters:
(1) age in years
(2) smoking history in pack years
(3) level of microhematuria in RBCs per high power field
(4) history of gross hematuria
Age
Pack Years
Micro-hematuria
Gross Hematuria
Risk Level
< 50 years
never or < 10
3-10
no
low
50 to 59 years
10-30
11-25
no
intermediate
>= 60 years
> 30
> 25
no or yes
high
Risk Level
Risk of Malignancy
low
0%
intermediate
0.2%
high
1.3%
For the implementation a simple score was created with each parameter scored from 0 (mild) to 2 (high).
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