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"

53 matching diseasesClear search ×

Alpha delta granule deficiency

Combined alpha-delta platelet storage pool deficiency · Alpha dense granule deficiency

ORPHA:734

46,XY difference of sex development due to 5-alpha-reductase 2 deficiency

46,XY DSD due to 5-alpha-reductase 2 deficiency · Pseudovaginal perineoscrotal hypospadias

ORPHA:753

Acyl-CoA dehydrogenase 9 deficiency

ACAD9 deficiency

ORPHA:99901

Adenine phosphoribosyltransferase deficiency

2,8-dihydroxyadenine urolithiasis · APRT deficiency

ORPHA:976

Adenylosuccinate lyase deficiency

ADSL deficiency · Adenylosuccinase deficiency

ORPHA:46

AICA-ribosiduria

5-amino-4-imidazole carboxamide ribosiduria · ATIC deficiency

ORPHA:250977

Alpha-1-antitrypsin deficiency

Alpha1-antitrypsin deficiency · Alpha-1-proteinase inhibitor deficiency

ORPHA:60

Alpha-mannosidosis

Lysosomal alpha-D-mannosidase deficiency

ORPHA:61

Argininemia

Arginase 1 deficiency · Arginase deficiency

ORPHA:90

Argininosuccinic aciduria

ASA deficiency · ASL deficiency

ORPHA:23

Aromatase deficiency

Congenital estrogen deficiency

ORPHA:91

Aromatic L-amino acid decarboxylase deficiency

AADC deficiency

ORPHA:35708

Canavan disease

ACY2 deficiency · Aminoacylase 2 deficiency

ORPHA:141

Chondrodysplasia with joint dislocations, gPAPP type

gPAPP deficiency

ORPHA:280586

Citrullinemia type I

ASS deficiency · Argininosuccinate synthase deficiency

ORPHA:247525

Classic galactosemia

GALT deficiency · Galactose-1-phosphate uridyltransferase deficiency

ORPHA:79239

Congenital bile acid synthesis defect type 3

BASD3 · Oxysterol 7-alpha-hydroxylase deficiency

ORPHA:79302

Congenital bile acid synthesis defect type 4

2-methylacyl-CoA racemase deficiency · AMACR deficiency

ORPHA:79095

Deficiency of adenosine deaminase 2

Adenosine deaminase 2 deficiency · ADA2 deficiency

ORPHA:404553

Epileptic encephalopathy with global cerebral demyelination

AGC1 deficiency · Mitochondrial aspartate-glutamate carrier 1 deficiency

ORPHA:353217

Fabry disease

Alpha-galactosidase A deficiency · Anderson-Fabry disease

ORPHA:324

Fucosidosis

Alpha-L-fucosidase deficiency

ORPHA:349

Galactokinase deficiency

GALK deficiency · GALK-D

ORPHA:79237

Galactose epimerase deficiency

Epimerase deficiency galactosemia · GALE deficiency

ORPHA:79238

Glycogen storage disease due to acid maltase deficiency

Alpha-1,4-glucosidase acid deficiency · GSD due to acid maltase deficiency

ORPHA:365

Glycogen storage disease due to acid maltase deficiency, late-onset

GSD type II, late-onset · Glycogen storage disease type II, late-onset

ORPHA:420429

Glycogen storage disease due to glucose-6-phosphatase deficiency

G6P deficiency · GSD due to G6P deficiency

ORPHA:364

Glycogen storage disease due to glucose-6-phosphatase deficiency type Ib

G6P translocase deficiency · G6PT deficiency

ORPHA:79259

Glycogen storage disease due to glycogen debranching enzyme deficiency

GSDIII · Glycogen storage disease type 3

ORPHA:366

GM1 gangliosidosis

Beta-galactosidase-1 deficiency · GLB1 deficiency

ORPHA:354

Gray platelet syndrome

Alpha storage pool deficiency · GPS

ORPHA:721

GTP cyclohydrolase I deficiency

GTPCH deficiency · Hyperphenylalaninemia due to GTP cyclohydrolase deficiency

ORPHA:2102

Guanidinoacetate methyltransferase deficiency

GAMT deficiency

ORPHA:382

Hemolytic anemia due to glucophosphate isomerase deficiency

Glucose-6-phosphate isomerase deficiency · GPI deficiency

ORPHA:712

Hyper-IgM syndrome type 2

AID deficiency · Activation-induced cytidine deaminase deficiency

ORPHA:101089

Hypocalcemic vitamin D-dependent rickets

1-alpha-hydroxylase deficiency · PDDRI

ORPHA:289157

Hypoxanthine guanine phosphoribosyltransferase partial deficiency

HPRT deficiency, grade I · HPRT partial deficiency

ORPHA:79233

Krabbe disease

GALC deficiency · Galactocerebrosidase deficiency

ORPHA:487

L-Arginine:glycine amidinotransferase deficiency

AGAT deficiency

ORPHA:35704

Lesch-Nyhan syndrome

HPRT complete deficiency · HPRT deficiency grade IV

ORPHA:510

Medium chain acyl-CoA dehydrogenase deficiency

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

ORPHA:42

Mucopolysaccharidosis type 1

Alpha-L-iduronidase deficiency · MPS1

ORPHA:579

Mucopolysaccharidosis type 4A

GALNS deficiency · Galactosamine-6-sulfatase deficiency

ORPHA:309297

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Neurodegenerative syndrome due to cerebral folate transport deficiency

Folate receptor alpha deficiency · Cerebral folate transport deficiency

ORPHA:217382

Recurrent infections due to specific granule deficiency

Neutrophil-specific granule deficiency

ORPHA:169142

Reticular dysgenesis

AK2 deficiency · De Vaal disease

ORPHA:33355

Sanfilippo syndrome type B

MPS3B · MPSIIIB

ORPHA:79270