THERE IS NO SINGLE CONFIRMATORY LAB TEST FOR KAWASAKI DISEASE.
Leukocytosis with neutrophilia and immature forms
Elevated ESR, CRP
Anemia
Abnormal plasma lipids
Hypoalbuminemia
Hyponatremia
Thrombocytosis after week 1
Sterile pyuria
Elevated serum transaminases & GGT
Pleocytosis of cerebrospinal fluid
Leukocytosis in synovial fluid
Supplemental laboratory criteria include
albumin <3.0 g/dL,
anemia for age
elevation of alanine aminotransferase,
Platelets after 7 days >450 000/mm3
White blood cell count >15 000/mm3
Urine >10 white blood cells/high-power field.
ENZYME ELEVATION
Mild to moderate elevations in serum transaminases occur in 40% of patients and mild hyperbilirubinemia in 10%
Plasma GGT is elevated in 67% of patients
Hypoalbuminemia is common and is associated with more severe and more prolonged acute disease
URINE ANALYSIS
Urinalysis reveals intermittent mild to moderate sterile pyuria in 33% of patients, although
Suprapubic urine generally does not show pyuria, which suggests urethritis
LUMBAR PUNCTURE
Lumbar puncture, 50% demonstrate evidence of aseptic meningitis with a predominance of mononuclear cells, as well as normal glucose and protein levels.
