raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2118

Hawkinsinuria

Synonyms: 4-HPPD deficiency · 4-alpha-hydroxyphenylpyruvate hydroxylase deficiency · 4-hydroxyphenylpyruvic acid dioxygenase deficiency

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Infancy, Neonatal
Status
active

A rare inborn error of tyrosine metabolism characterized by failure to thrive, persistent metabolic acidosis, fine and sparse hair, and excretion of the unusual cyclic amino acid metabolite, hawkinsin ((2-l-cystein-S-yl, 4-dihydroxycyclohex-5-en-1-yl)acetic acid), in the urine.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHawkinsinuria4-HPPD deficiency · 4-alpha-hydroxyphenylpyruvate hydroxylase deficiency · 4-hydroxyphenylpyruvic acid dioxygenase deficiency
frHawkinsinurieDéficit en 4-HPPD · Déficit en 4-alpha-hydroxyphénylpyruvate hydroxylase · Déficit en 4-hydroxyphénylpyruvate dioxygénase
deHawkinsinurie4-HPPD-Mangel · 4-alpha-Hydroxyphenylpyruvat- Hydroxylase-Mangel · 4-alpha-Hydroxyphenylpyruvat-Dioxygenase-Mangel
esHawkinsinuriaDeficiencia de 4-alfa-hidroxifenilpiruvato hidroxilasa
itHawkinsinuriaDeficit di 4-alfa-idrossifenilpiruvato idrossilasi
nlHawkinsinurie4-HPPD-deficiëntie · Deficiëntie van 4-alfa-hydroxyfenylpyruvaat-hydroxylase · Deficiëntie van 4-hydroxyfenylpyrodruivenzuur-dioxygenase
ptHawkinsinúriaDeficiência de 4-alfa-hidroxifenilpiruvato hidroxilase
plHawkinsinuriaNiedobór 4-HPPD · Niedobór dioksygenazy kwasu 4-hydroksyfenylpirogronowego · Niedobór hydroksylazy 4-alfa- hydroksyfenylpirogronianowej
csHawkinsinurieDeficit 4-HPPD · Deficit 4-alfa-hydroxyfenylpyruvát hydroxylázy
ukХокінсінуріяДефіцит 4-альфа-гідроксифенілпіруват гідроксилази · Дефіцит 4-HPPD · Дефіцит 4-гідроксифенілпіровиноградної кислоти диоксигенази
zhHawkinsinuria症4-α-羟基苯丙酮酸羟化酶缺乏症
trHawkinsinüri4-HPPD eksikliği · 4-hidroksifenilpirüvik asit dioksijenaz eksikliği · 4-alfa-hidroksifenilpiruvat hidroksilaz eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM140350Evalidated
ICD-10E70.2NTBTattributedvalidated
ICD-115C50.1YNTBTindexvalidated
MONDO0007700Evalidated
MeSHC535845Evalidated
UMLSC2931042Evalidated
GARD5668Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HPDCandidate gene tested inNot yet assessedHGNC:5147ENSG0000015810460969512q24.314-hydroxyphenylpyruvate dioxygenase11073718[PMID]_17560158[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET
Cases/families5 familiesWorldwideFamily(ies)Validated11073718[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

9 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:00031614-Hydroxyphenylpyruvic aciduria
HP:00036074-hydroxyphenylacetic aciduria
HP:0010917Abnormality of tyrosine metabolism
HP:0001508Failure to thrive
HP:0002213Fine hair
HP:0001942Metabolic acidosis
HP:0008070Sparse hair
Frequent (79-30%)
HP:0001252Hypotonia
Occasional (29-5%)
HP:0000821Hypothyroidism

Run the differential on the 7 obligate / very frequent terms

7

Sources for this card