raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:30924

Primary hypomagnesemia with secondary hypocalcemia

Synonyms: Hypomagnesemia caused by selective magnesium malabsorption · Hypomagnesemia intestinal type 1 · Intestinal hypomagnesemia with secondary hypocalcemia · PHSH · HOMG1 · HSH

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

Primary hypomagnesemia with secondary hypocalcemia (PHSH) is a form of familial primary hypomagnesemia (FPH), characterized by severe hypomagnesemia and secondary hypocalcemia associated with neurological symptoms, including generalized seizures, tetany and muscle spasms. PHSH may be fatal or may result in chronic irreversible neurological complications.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPrimary hypomagnesemia with secondary hypocalcemiaHypomagnesemia caused by selective magnesium malabsorption · Hypomagnesemia intestinal type 1 · Intestinal hypomagnesemia with secondary hypocalcemia · PHSH · HOMG1 · HSH
frHypomagnésémie primaire avec hypocalcémie secondaireHOMG1 · HSH · Hypomagnésémie intestinale avec hypocalcémie secondaire · Hypomagnésémie intestinale type 1 · Hypomagnésémie par malabsorption sélective de magnésium · PHSH
dePrimäre Hypomagnesiämie mit sekundärer HypokalzämieHOMG1 · HSH · Hypomagnesiämie durch selektive Magnesiumaufnahme · Hypomagnesiämie, intestinale, Typ 1 · Hypomagnesiämie, intestinale, mit sekundärer Hypokalzämie · PHSH
esHipomagnesemia primaria con hipocalcemia secundariaHOMG1 · HSH · Hipomagnesemia causada por malabsorción selectiva de magnesio · Hipomagnesemia intestinal con hipocalcemia secundaria · Hipomagnesemia intestinal tipo 1 · PHSH
itIpomagnesemia primitiva con ipocalcemia secondariaHOMG1 · HSH · Ipomagnesemia causata da malassorbimento selettivo del magnesio · Ipomagnesemia intestinale con ipocalcemia secondaria · Ipomagnesemia intestinale, tipo 1 · PHSH
nlPrimaire hypomagnesiëmie met secundaire hypocalciëmieHOMG1 · HSH · Hypomagnesiëmie veroorzaakt door selectieve malabsorptie van magnesium · Intestinale hypomagnesiëmie met secundaire hypocalciëmie · Intestinale hypomagnesiëmie type 1 · PHSH
ptHipomagnesemia por má absorção seletiva de magnésioHipomagnesemia intestinal primária com hipocalcémia secundária
plHipomagnezemia pierwotna z wtórną hipokalcemiąHipomagnezemia jelitowa typu 1 · Hipomagnezemia jelitowa z wtórną hipokalcemią · Hipomagnezemia spowodowana selektywnym złym wchłanianiem magnezu · HOMG1 · HSH · PHSH
csPrimární hypomagnezémie se sekundární hypokalcémiíHOMG1 · HSH · Intestinální hypomagnezémie, typ 1 · Intestinální hypomagnezémie se sekundární hypokalcémií · PHSH · Hypomagnezémie způsobená selektivní malabsorpcí hořčíku
ukПервинна гіпомагніємія з вторинною гіпокальціємієюHOMG1 · HSH · Гіпомагніємія, спричинена селективною мальабсорбцією магнію · Гіпомагніємія кишкового типу 1 · Кишкова гіпомагніємія з вторинною гіпокальціємією · PHSH
zh原发性低镁血症继发性低钙血症选择性肠吸收不良性低镁血症
trSekonder hipokalsemi ile seyreden primer hipomagnezemiHSH · PHSH · HOMG1 · Hipomagnezemi intestinal tip 1 · Sekonder hipokalsemili bağırsak hipomagnezemisi · Seçici magnezyum malabsorpsiyonunun neden olduğu hipomagnezemi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM602014Evalidated
ICD-10E83.4NTBTattributedvalidated
ICD-115C64.41NTBTindexvalidated
MONDO0011176Evalidated
MeSHC566593Evalidated
UMLSC1865974Evalidated
GARD13072Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TRPM6Disease-causing germline mutation(s) inAssessedHGNC:17995ENSG000001191216070099q21.13transient receptor potential cation channel subfamily M member 612032570[PMID]_12032568[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families100 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—EuropeClass 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

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

7

Sources for this card