raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:3402

Transient tyrosinemia of the newborn

Synonyms: Transient tyrosinemia of the neonate

Type
Disease
Group
Disorder
Age of onset
Neonatal
Status
active

A rare disorder of tyrosine metabolism characterized by tyrosinemia, moderate hyperphenylalaninemia, and tyrosiluria that usually resolve after 2 months of age. It shows no clinical symptoms and is detected upon newborn screening. It is often observed in premature infants.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enTransient tyrosinemia of the newbornTransient tyrosinemia of the neonate
frTyrosinémie transitoire du nouveau-né
deTransiente Tyrosinämie des NeugeborenenTyrosinämie, neonatale transiente
esTirosinemia transitoria del recién nacidoTirosinemia transitoria del neonato
itTirosinemia transitoria del neonato
nlVoorbijgaande tyrosinemie bij de pasgeboreneVoorbijgaande tyrosinemie bij de neonaat
ptTirosinemia transitória do recém-nascidoDeficiência transitória de tirosina oxidase
plPrzejściowa tyrozynemia noworodkówPrzejściowa tyrozynemia noworodków
csTranzientní tyrosinémie novorozenců= en
ukТранзиторна тирозинемія новонародженихТранзиторна тирозинемія новонароджених
zh新生儿一过性酪氨酸血症新生儿一过性酪氨酸血症
trYenidoğanın geçici tirozinemiYenidoğan geçici tirozinemi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10P74.5Especificvalidated
ICD-115C50.1YNTBTindexvalidated
MONDO0018083Evalidated
UMLSC0268485Evalidated
GARD5388Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card