An elevated level of the pigment bilirubin in the blood. A sufficient elevation will produce jaundice. Some degree of hyperbilirubinemia is very common in babies right after birth, especially premies.
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An abnormally large amount of bilirubin in the circulating blood, resulting in clinically apparent icterus or jaundice when the concentration is sufficient.
- neonatal h. serum bilirubin greater than 12.9 mg/dl (220 μol/L) or rising at a rate greater than 5 mg/dl per day; also applied to a nonphysiologic pattern of h., i.e., jaundice in the first 24 hours of life or extending beyond the first week of life in term infants.

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hy·per·bil·i·ru·bin·emia or chiefly Brit hy·per·bil·i·ru·bin·ae·mia -.bil-ē-.rü-bin-'ē-mē-ə n the presence of an excess of bilirubin in the blood called also bilirubinemia

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hy·per·bil·i·ru·bin·emia (hi″pər-bil″ĭ-roo″bĭ-neґme-ə) excessive bilirubin in the blood, which may lead to jaundice; the hyperbilirubinemias are classified as either conjugated or unconjugated, according to the predominant form of bilirubin involved.

Medical dictionary. 2011.

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Look at other dictionaries:

  • hyperbilirubinemia — noun abnormally high amounts of bile pigment (bilirubin) in the blood • Hypernyms: ↑pathology • Hyponyms: ↑hyperbilirubinemia of the newborn, ↑neonatal hyperbilirubinemia • Part Holonyms: ↑jaundice, ↑ …   Useful english dictionary

  • hyperbilirubinemia of the newborn — noun a common disorder that is usually due to immaturity of the liver; usually subsides spontaneously • Syn: ↑neonatal hyperbilirubinemia • Hypernyms: ↑hyperbilirubinemia …   Useful english dictionary

  • Hyperbilirubinemia, neonatal — Elevation of the bilirubin level in the blood of the newborn, which results in yellowish staining of the skin and whites of the newborn’s eyes (sclerae) by pigment of bile (bilirubin). In newborn babies a degree of jaundice is normal. It is due… …   Medical dictionary

  • hyperbilirubinemia — /huy peuhr bil euh rooh beuh nee mee euh/, n. Pathol. an abnormally high level of bilirubin in the blood, manifested by jaundice, anorexia, and malaise, occurring in association with liver disease and certain hemolytic anemias. Cf. physiologic… …   Universalium

  • hyperbilirubinemia — noun An unusually large concentration of bilirubin in the blood …   Wiktionary

  • hyperbilirubinemia I — Gilbert syndrome …   Medical dictionary

  • hyperbilirubinemia II — Dubin Johnson syndrome …   Medical dictionary

  • hyperbilirubinemia — n. abnormally high level of bilirubin in the blood (Medicine) …   English contemporary dictionary

  • hyperbilirubinemia — hy·per·bilirubinemia …   English syllables

  • unconjugated hyperbilirubinemia — hyperbilirubinemia due to excessive bilirubin production (hemolysis), to defective clearance of bilirubin from the blood by the liver, or to defective conjugation by the liver; it includes hemolytic states, Crigler Najjar syndrome, Gilbert… …   Medical dictionary

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