:Normal range
Newborn up to 24 hours: 10.0 mg/dl
24hrs-1 month: up to 18 mg/dl
Comment: Most often used in cases of neonatal hyperbilirubinemia. Neonatal serum is measured to monitor hemolytic disease of the newborn (HDN) (erythroblastosis fetalis). HDN and hydrops fetalis. Other etiologies of neonatal jaundice physiologic jaundice, hematoma/hemorrhage, hypothyroidism, increased bilirubin load because of increased RBC volume or decreased RBC survival, glucose –6- phosphate deficiency, Pyruvate kinase deficiency, sepsis, glactosemia, deficiency of glucuronyl transferase (Crigler-Najjar syndrome), Gilbert syndrome, spherocytosis, ellipocytosis, congenital erythropoietic porphyria and cholestasis (eg, biliary atresia). Other risk factors include streptomycin, chloramphenicol, benzyl alcohol, and sulfisoxazole. Dark urine or light stools are among indications for measurement of serum bilirubin
Sample: Serum, protect from light