Transitory tyrosinaemia of newborn (Q45883): Difference between revisions
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Revision as of 14:08, 13 August 2026
Clinically asymptomatic elevated blood tyrosine level caused by late fetal maturation of 4-hydroxyphenylpyruvate dioxygenase, usually detected on newborn bloodspot screening. Most commonly seen in premature infants receiving milk formulae with high protein content. Generally considered benign and resolves by 4-6 weeks of age.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | KB63.4 |
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| English | Transitory tyrosinaemia of newborn |
Clinically asymptomatic elevated blood tyrosine level caused by late fetal maturation of 4-hydroxyphenylpyruvate dioxygenase, usually detected on newborn bloodspot screening. Most commonly seen in premature infants receiving milk formulae with high protein content. Generally considered benign and resolves by 4-6 weeks of age. |
