A 55-year-old man has microscopic hematuria confirmed on a properly collected specimen with 5 RBC/hpf. He smokes 20 pack-years. What definition and initial step align with guidance?A≥3 RBC/hpf defines microhematuria; risk-stratify and consider cystoscopy plus imaging based on riskB≥5 RBC/hpf defines microhematuria; repeat UA in 1 year onlyC≥10 RBC/hpf defines microhematuria; refer only if gross hematuria occursD≥1 RBC/hpf defines microhematuria; CT urogram for allE≥3 RBC/hpf defines microhematuria; no evaluation needed in smokersCheck my answer