Rare Disease Library

Browse Orphanet-curated rare diseases with HPO phenotype annotations, synonyms, and linked support programs. Search by name, abbreviation, or synonym.

Try: "IgA nephropathy", "C3G", "Berger's disease", "PKU", "Duchenne"

200 matching diseasesClear search ×

Guanidinoacetate methyltransferase deficiency

GAMT deficiency

ORPHA:382

Hawkinsinuria

4-HPPD deficiency · 4-alpha-hydroxyphenylpyruvate hydroxylase deficiency

ORPHA:2118

Heme oxygenase-1 deficiency

HO-1 deficiency

ORPHA:562509

Hemolytic anemia due to glucophosphate isomerase deficiency

Glucose-6-phosphate isomerase deficiency · GPI deficiency

ORPHA:712

Hemolytic anemia due to pyrimidine 5' nucleotidase deficiency

P5N deficiency · UMPH1 deficiency

ORPHA:35120

Hemophilia A

Congenital Factor VIII deficiency · Congenital F8 deficiency

ORPHA:98878

Hemophilia B

Congenital F9 deficiency · Christmas disease

ORPHA:98879

Hereditary angioedema with C1Inh deficiency

HAE · HAE with C1 inhibitor deficiency

ORPHA:528623

Histidinemia

HAL deficiency · HIS deficiency

ORPHA:2157

Homocystinuria due to methylene tetrahydrofolate reductase deficiency

MTHFR deficiency · Methylene tetrahydrofolate reductase deficiency

ORPHA:395

HSD10 disease

2-methyl-3-hydroxybutyric aciduria · 2-methyl-3-hydroxybutyryl-CoA dehydrogenase deficiency

ORPHA:391417

Hyper-IgM syndrome type 2

AID deficiency · Activation-induced cytidine deaminase deficiency

ORPHA:101089

Hyperammonemia due to N-acetylglutamate synthase deficiency

NAGS deficiency

ORPHA:927

Hyperammonemic encephalopathy due to carbonic anhydrase VA deficiency

CA-VA deficiency

ORPHA:401948

Hyperinsulinism due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiency

Hyperinsulinemic hypoglycemia due to short chain 3-hydroxylacyl-CoA dehydrogenase deficiency · Hyperinsulinism due to SCHAD deficiency

ORPHA:71212

Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome

HHH syndrome · ORNT1 deficiency

ORPHA:415

Hypoxanthine-guanine phosphoribosyltransferase deficiency

HPRT deficiency · HPRT1 deficiency

ORPHA:206428

Immunodeficiency by defective expression of MHC class I

MHC class I deficiency · Bare lymphocyte syndrome type 1

ORPHA:34592

Immunodeficiency by defective expression of MHC class II

MHC class II deficiency · Bare lymphocyte syndrome type 2

ORPHA:572

Immunodeficiency due to CD25 deficiency

Interleukin-2 receptor alpha chain deficiency

ORPHA:169100

Infantile-onset periodic fever-panniculitis-dermatosis syndrome

OTULIN-related autoinflammatory syndrome · OTULIN deficiency

ORPHA:500062

Intellectual disability-facial dysmorphism-joint hypermobility-hearing loss syndrome

Beck-Fahrner syndrome · TET3-related Beck-Fahrner syndrome

ORPHA:684216

Isolated cytochrome C oxidase deficiency

Isolated COX deficiency · Isolated mitochondrial respiratory chain complex IV deficiency

ORPHA:254905

Krabbe disease

GALC deficiency · Galactocerebrosidase deficiency

ORPHA:487

L-Arginine:glycine amidinotransferase deficiency

AGAT deficiency

ORPHA:35704

L-ferritin deficiency

ORPHA:440731

Laron syndrome

Complete growth hormone insensitivity · GH receptor deficiency

ORPHA:633

LCAT deficiency

Lecithin-cholesterol acyltransferase deficiency

ORPHA:650

Lesch-Nyhan syndrome

HPRT complete deficiency · HPRT deficiency grade IV

ORPHA:510

Long chain 3-hydroxyacyl-CoA dehydrogenase deficiency

LCHAD deficiency · LCHADD

ORPHA:5

Lysosomal acid lipase deficiency

LAL deficiency · LALD

ORPHA:275761

Malonic aciduria

Malonyl-CoA decarboxylase deficiency · Malonic acidemia

ORPHA:943

Maple syrup urine disease

BCKD deficiency · BCKDH deficiency

ORPHA:511

Medium chain acyl-CoA dehydrogenase deficiency

ACADM deficiency · Carnitine deficiency secondary to medium-chain acyl-CoA dehydrogenase deficiency

ORPHA:42

Methionine adenosyltransferase I/III deficiency

MAT I/III deficiency · Mudd's disease

ORPHA:168598

Methylmalonic acidemia due to methylmalonyl-CoA epimerase deficiency

MCEE deficiency · Methylmalonic acidemia due to methylmalonyl-CoA racemase deficiency

ORPHA:308425

Microcephaly-congenital cataract-psoriasiform dermatitis syndrome

Sterol-C4-methyl oxidase deficiency · SMO deficiency

ORPHA:488168

Mitochondrial disorder due to a defect in mitochondrial protein synthesis

Combined OXPHOS defect · Combined OXPHOS deficiency

ORPHA:35696

Mitochondrial myopathy with reversible cytochrome C oxidase deficiency

Benign COX deficiency · Infantile reversible cytochrome C oxidase deficiency myopathy

ORPHA:254864

Mitochondrial short-chain enoyl-CoA hydratase 1 deficiency

Crotonase deficiency · ECHS1D

ORPHA:653880

Mitochondrial trifunctional protein deficiency

TFP deficiency · TFPD

ORPHA:746

Mucopolysaccharidosis type 4A

GALNS deficiency · Galactosamine-6-sulfatase deficiency

ORPHA:309297

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Müllerian aplasia and hyperandrogenism

Müllerian duct failure and hyperandrogenism · WNT4 deficiency

ORPHA:247768

Multiple acyl-CoA dehydrogenase deficiency

Glutaric acidemia type 2 · Glutaric aciduria type 2

ORPHA:26791

Multiple mitochondrial dysfunctions syndrome type 1

NFU1 deficiency · MMDS1

ORPHA:401869

Multiple mitochondrial dysfunctions syndrome type 2

BOLA3 deficiency · MMDS2

ORPHA:401874

Multiple mitochondrial dysfunctions syndrome type 3

IBA57 deficiency · MMDS3

ORPHA:363424