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. 2023 Dec 4;16(Suppl 2):ii19–ii27. doi: 10.1093/ckj/sfad232

Table 1:

Hematuria severity based on detection method

Hematuria severity Detection method Standard microscopy Automated assay Automated urine particle analyzer (for the detection method)
Minimal (1) <5 Negative <20 RBC/microliter
Mild (2) 5 ≤ 25 1+ 201–00 RBC/microliter
Moderate (3) 25 ≤ 50 2+ >100 RBC/microliter
Severe (4) >50 3+ >100 RBC/microliter

Standard microscopy: centrifuged (2000X) urine specimen resuspended after supernatant removal and examined at microscopy at x400 high power microscopic field (RBC/HPMF); Automated assay: dipstick + Automated urine particle analyzer (UF-5000) a third generation automated flow cytometry analyzer for urine sediment analysis [34].