What is hyperbilirubinemia commonly known as?

Hyperbilirubinemia is commonly known as jaundice, particularly in the context of newborns. This condition arises when there is an accumulation of bilirubin in the bloodstream, often seen in infants due to their immature liver function. Normal physiological jaundice typically emerges after 24 hours of age and resolves as the infant's liver matures and becomes more efficient at processing bilirubin. This understanding is critical, as it alleviates concerns regarding the condition being harmful when it presents in this typical manner.

The other options refer to different aspects or misconceptions about hyperbilirubinemia. For example, while a higher bilirubin level can indicate liver issues, it isn't exclusively relevant to newborns, and it does not inherently denote liver failure in newborns without additional context. Additionally, hyperbilirubinemia is not typically characterized as a common condition in older children or as an abnormal condition in adults, where different diseases or conditions would generally present with elevated bilirubin levels rather than hyperbilirubinemia being a common descriptor.