Children with KD often present with a normocytic, normochromic anemia; hemoglobin concentrations more than two standard deviations below the mean for age are noted in approximately one-half of patients within the first weeks of illness Urinalysis commonly reveals white blood cells on microscopic examination; the cells are mononuclear, and so are not detected by dipstick tests for leukocyte esterase They also originate in the urethra, so they will be missed on urinalyses obtained by bladder tap or catheterization, so a clean catch is preferred Measurement of liver enzymes often reveals elevated transaminase levels or mild hyperbilirubinemia due to intrahepatic congestion In addition, a minority of children may develop obstructive jaundice from hydrops of the gallbladder If sampled, other body fluids demonstrate inflammation as well: CSF typically displays a mononuclear pleocytosis (