raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:757

Pseudohypoaldosteronism type 2

Synonyms: Chloride shunt syndrome · Familial hyperkalemic hypertension · Gordon hyperkalemia-hypertension syndrome · Hyperkalemia-hypertension syndrome, Gordon type · Hypertensive hyperkalemia · Mineralocorticoid resistant hyperkalemia · PHA2 · PHAII · Spitzer-Weinstein syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive
Age of onset
All ages
Status
active

A rare genetic form of hypertension characterized by hyperkalemia, mild hyperchloremic metabolic acidosis, normal or elevated aldosterone, low renin, with normal renal glomerular filtration rate (GFR).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPseudohypoaldosteronism type 2Chloride shunt syndrome · Familial hyperkalemic hypertension · Gordon hyperkalemia-hypertension syndrome · Hyperkalemia-hypertension syndrome, Gordon type · Hypertensive hyperkalemia · Mineralocorticoid resistant hyperkalemia · PHA2 · PHAII · Spitzer-Weinstein syndrome
frPseudohypoaldostéronisme type 2Hyperkaliémie minéralocorticoïde résistante · Hyperkaliémie-hypertension type Gordon · Hypertension hyperkaliémique · Hypertension hyperkaliémique de Gordon · Hypertension hyperkaliémique familiale · PHA2 · PHAII · Syndrome de Spitzer-Weinstein · Syndrome du shunt au chlore
dePseudohypoaldosteronismus Typ 2Chlorid-Shunt-Syndrom · Hyperkaliämie - Hypertension, Typ Gordon · Hyperkaliämie, Mineralocorticoid-resistente · Hyperkaliämie, hypertensive · Hypertonie, hyperkaliämische familiäre · PHA2 · PHAII · Spitzer-Weinstein-Syndrom
esPseudohipoaldosteronismo tipo 2Síndrome de hiperpotasemia-hipertensión de Gordon · Síndrome del 'shunt' de cloro · Hiperpotasemia hipertensiva · Hiperpotasemia resistente a mineralocorticoides · Hiperpotasemia-hipertensión tipo Gordon · Hipertensión hiperpotasémica familiar · PHA2 · PHAII · Síndrome de Spitzer-Weinstein
itPseudoipoaldosteronismo, tipo 2Iperkaliemia - ipertensione, tipo Gordon · Iperkaliemia ipertensiva · Iperkaliemia resistente ai mineralcorticoidi · Ipertensione iperkaliemica familiare · PHA2 · PHAII · Sindrome da shunt dei cloruri · Sindrome di Spitzer-Weinstein · Sindrome iperkaliemia-ipertensione, tipo Gordomn
nlPseudohypoaldosteronisme type 2Chlorideshunt-syndroom · Familiale hyperkaliëmische hypertensie · Hyperkaliëmie - hypertensie-syndroom van Gordon · Hyperkaliëmie - hypertensie-syndroom, Gordon-type · Hypertensieve hyperkaliëmie · Mineralocorticoïderesistente hyperkaliëmie · PHA2 · PHAII · Syndroom van Spitzer-Weinstein
ptPseudo-hipoaldosteronismo tipo 2Hipercaliémia hipertensiva · PHA2 · PHAII · Síndrome Spitzer-Weinstein · Síndrome de hipercaliémia-hipertensão de Gordon · Síndrome de hipercaliémia-hipertensão, tipo Gordon
plPseudohipoaldosteronizm typu 2Chloride shunt syndrome · Hiperkaliemia - nadciśnienie, typu Gordona · Hiperkaliemia hipertensyjna · Hiperkaliemia oporna na mineralokortykoidy · PHA2 · PHAII · Rodzinne nadciśnienie hiperkaliemiczne · Zespół Gordona hiperkaliemia-nadciśnienie · Zespół Spitzera i Weinsteina
csPseudohypoaldosteronismus, typ 2Syndrom chloridového shuntu · Familiární hyperkalemická hypertenze · Syndrom zahrnující Gordonovu hyperkalemii a hypertenzi · Hypertenzní hyperkalemie · Mineralokortikoid-rezistentní hyperkalemie · PHA2 · PHAII · Syndrom zahrnující hyperkalemii a hypertenzi, Gordonův typ · Spitzerův-Weinsteinův syndrom · Spitzer-Weinsteinův syndrom
ukПсевдогіпоальдостеронізм, тип 2Синдром хлоридного шунта · Сімейна гіперкаліємічна гіпертензія · Синдром гіперкаліємії-гіпертензії Гордона · Гіперкаліємічно-гіпертензивний синдром, тип Гордона · Гіпертонічна гіперкаліємія · Резистентна до мінералокортикоїдів гіперкаліємія · PHA2 · PHAII · Синдром Шпітцера-Вайнштейна
zh假性醛固酮减少症2型高钾血症-高血压综合征,Gordon型
trPsödohipoaldosteronizm tip 2PHA2 · PHAII · Klorür şant sendromu · Hipertansif hiperkalemi · Spitzer-Weinstein sendromu · Ailesel hiperkalemik hipertansiyon · Mineralokortikoid dirençli hiperkalemi · Gordon hiperkalemi-hipertansiyon sendromu · Hiperkalemi-hipertansiyon sendromu, Gordon tipi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM145260BTNTvalidated
OMIM614491BTNTvalidated
OMIM614492BTNTvalidated
OMIM614495BTNTvalidated
OMIM614496BTNTvalidated
ICD-10I15.1NTBTattributedvalidated
ICD-11BA04.YNTBTindexvalidated
MONDO0019162Evalidated
UMLSC1449844Evalidated
GARD4553Evalidated

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):

Children (5):

4

Genes

0 direct · 4 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CUL3ORPHA:300530Pseudohypoaldosteronism type 2EDisease-causing germline mutation(s) inAssessedHGNC:2553ENSG000000362576031362q36.2cullin 322073419[PMID]
KLHL3ORPHA:300525Pseudohypoaldosteronism type 2DDisease-causing germline mutation(s) inAssessedHGNC:6354ENSG000001460216057755q31.2kelch like family member 322073419[PMID]
WNK1ORPHA:88940Pseudohypoaldosteronism type 2CDisease-causing germline mutation(s) inAssessedHGNC:14540ENSG0000006023760523212p13.33WNK lysine deficient protein kinase 122073419[PMID]
WNK4ORPHA:88939Pseudohypoaldosteronism type 2BDisease-causing germline mutation(s) inAssessedHGNC:14544ENSG0000012656260184417q21.2WNK lysine deficient protein kinase 422073419[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families180 casesWorldwideCase(s)Validated22073419[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_22073419[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:0002153Hyperkalemia
HP:0000822Hypertension
Frequent (79-30%)
HP:0002017Nausea and vomiting
Occasional (29-5%)
HP:0000682Abnormality of dental enamel
HP:0000164Abnormality of the dentition
HP:0001510Growth delay
HP:0001324Muscle weakness
HP:0003768Periodic paralysis
HP:0004322Short stature

Run the differential on the 2 obligate / very frequent terms

7

Sources for this card