raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:417

Neonatal severe primary hyperparathyroidism

Synonyms: NSHPT

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive, Not applicable
Age of onset
Neonatal
Status
active

Neonatal severe primary hyperparathyroidism (NSHPT) is characterized by severe hypercalcemia (> 3.5 mM) from birth and associated with major hyperparathyroidism.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNeonatal severe primary hyperparathyroidismNSHPT
frHyperparathyroïdie primitive sévère néonatale= en
deHyperparathyroidismus, neonataler primärer schwerer= en
esHiperparatiroidismo primario neonatal grave= en
itIperparatiroidismo primitivo grave neonatale= en
nlNeonatale ernstige primaire hyperparathyreoïdie= en
ptHiperparatiroidismo primário grave neonatal
plCiężka pierwotna nadczynność przytarczyc noworodków= en
csNovorozenecká těžká primární hyperparathyreóza= en
ukНеонатальний тяжкий первинний гіперпаратиреоз= en
zh新生儿重症原发性甲状旁腺功能亢进= en
trYenidoğan ağır primer hiperparatiroidizmi= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM239200Evalidated
OMIM618188BTNTvalidated
ICD-10E21.0NTBTattributedvalidated
ICD-115A51.0NTBTindexvalidated
MONDO0009397Evalidated
MeSHC563375Evalidated
UMLSC1832615Evalidated
GARD2838Evalidated

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 (3):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CASRDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:1514ENSG000000368286011993q13.33-q21.1calcium sensing receptor
TRPV6Disease-causing germline mutation(s) inAssessedHGNC:14006ENSG000001651256066807q34transient receptor potential cation channel subfamily V member 629861107[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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

10 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000944Abnormal metaphysis morphology
HP:0100530Abnormality of calcium-phosphate metabolism
HP:0000820Abnormality of the thyroid gland
HP:0003355Aminoaciduria
HP:0002240Hepatomegaly
HP:0001252Hypotonia
HP:0000774Narrow chest
HP:0002757Recurrent fractures
HP:0004322Short stature
HP:0001744Splenomegaly

Run the differential on the 10 obligate / very frequent terms

7

Sources for this card