Normal Urinalysis Finding – No Further Workup Needed
A urinalysis showing 0-3 RBCs/HPF and 0-3 WBCs/HPF is normal and does not meet the threshold for microscopic hematuria evaluation or urinary tract infection workup. No urologic or nephrologic referral is indicated based on these results alone.
Why This is Normal
The 2025 AUA/SUFU guideline defines microscopic hematuria as ≥3 RBCs/HPF 1, and multiple studies consistently use this threshold 2, 3. Your result of "0-3" means the count could be 0,1,2, or 3 cells – with only the upper limit (exactly 3) reaching the diagnostic threshold. This is effectively a normal or borderline-normal finding that does not trigger the hematuria evaluation pathway.
Similarly, 0-3 WBCs/HPF falls within normal limits and does not suggest urinary tract infection or significant pyuria, which typically requires higher WBC counts for clinical significance.
Key Clinical Context
The reporting format "0-3" creates ambiguity that has been recognized as problematic in clinical practice. One study found that only 41% of urine samples reported as "1-5 RBCs/HPF" actually had guideline-defined microscopic hematuria (≥3 RBCs/HPF), leading to unnecessary evaluations and an estimated $745,000 in annual healthcare savings when reporting was changed to differentiate these ranges 4.
Important Caveats:
- If this patient has gross (visible) hematuria: Proceed with full evaluation regardless of microscopic findings 3
- If symptoms suggest UTI: Treat infection first; persistent hematuria after treatment requires evaluation 2
- If concurrent proteinuria ≥1+: Consider nephrologic referral, as combined hematuria and proteinuria may indicate glomerular disease 5
- If dysmorphic RBCs, cellular casts, elevated creatinine, or hypertension: Requires concurrent nephrology and urology referral 2
Recommended Management
No action required for this isolated finding. The patient can be reassured that this urinalysis is normal.
- Do not order repeat urinalysis unless new symptoms develop
- Do not refer to urology or nephrology based on this result alone
- Document that the finding does not meet criteria for microscopic hematuria evaluation
If there is clinical concern despite normal UA: Consider that properly collected specimens are critical – voided samples in women may have false elevations from vaginal contamination (>2 squamous epithelial cells/HPF suggests improper collection) 6. However, with your result showing minimal RBCs, this is not a concern here.