initial hematuria

in·i·tial he·ma·tu·ri·a

the presence of blood only in the first fraction of voided urine, usually indicating a urethral or prostatic source of bleeding.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Initial hematuria is described for visible blood/bloodstained urine reported by the patient that is seen at the start of urine flow ("blood right at the start of the urine flow and then clear urine afterward").
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