The presence in the urine of urobilins in excessive amounts, formed mainly from hemoglobin.
the presence of excess urobilin in the urine.
u·ro·bil·i·nu·ria, urobilinogenuria (yūr'ō-bil'i-nyū'rē-ă, -i-nō-jĕ-nyūrē-ă)
Excess urobilin in urine, formed mainly from hemoglobin.
excess quantities of bilirubin in the urine.