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"

144 matching diseasesClear search ×

Transcobalamin I deficiency

Haptocorrin deficiency · TCI deficiency

ORPHA:2967

2-methylbutyryl-CoA dehydrogenase deficiency

2-methylbutyric aciduria · Developmental delay due to 2-methylbutyryl-CoA dehydrogenase deficiency

ORPHA:79157

3-methylcrotonyl-CoA carboxylase deficiency

3-methylcrotonylglycinuria · MCC deficiency

ORPHA:6

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

Alacrimia-choreoathetosis-liver dysfunction syndrome

NGLY1 deficiency · NGLY1-CDDG

ORPHA:404454

ALDH18A1-related De Barsy syndrome

Delta-1-pyrroline 5-carboxylate synthetase deficiency · Neurocutaneous syndrome, Bicknell type

ORPHA:35664

Allan-Herndon-Dudley syndrome

AHDS · MCT8 deficiency

ORPHA:59

Alpha-N-acetylgalactosaminidase deficiency

NAGA deficiency · Schindler disease

ORPHA:3137

Apolipoprotein A-I deficiency

ApoA-I deficiency · Familial apoA-I deficiency

ORPHA:425

Argininosuccinic aciduria

ASA deficiency · ASL deficiency

ORPHA:23

Aromatic L-amino acid decarboxylase deficiency

AADC deficiency

ORPHA:35708

Autosomal recessive extra-oral halitosis

Methanethiol oxidase deficiency · MTO-deficiency

ORPHA:562538

Autosomal recessive primary immunodeficiency with defective spontaneous natural killer cell cytotoxicity

Autosomal recessive primary immunodeficiency with defective spontaneous NK cell cytotoxicity · CD16 deficiency

ORPHA:437552

Beta-ketothiolase deficiency

3-ketothiolase deficiency · 3-oxothiolase deficiency

ORPHA:134

Canavan disease

ACY2 deficiency · Aminoacylase 2 deficiency

ORPHA:141

Carbamoyl-phosphate synthetase 1 deficiency

CPS1 deficiency · CPS1D

ORPHA:147

Carnitine palmitoyl transferase 1A deficiency

CPT1A deficiency · Carnitine palmitoyl transferase IA deficiency

ORPHA:156

Carnitine-acylcarnitine translocase deficiency

CACT deficiency

ORPHA:159

Cernunnos-XLF deficiency

Cernunnos XLFD · Cernunnos deficiency

ORPHA:169079

Chondrodysplasia with joint dislocations, gPAPP type

gPAPP deficiency

ORPHA:280586

Citrin deficiency

ORPHA:247582

Citrullinemia type I

ASS deficiency · Argininosuccinate synthase deficiency

ORPHA:247525

Classic galactosemia

GALT deficiency · Galactose-1-phosphate uridyltransferase deficiency

ORPHA:79239

Coenzyme Q10 deficiency

Primary coenzyme Q10 deficiency · CoQ10 deficiency

ORPHA:35656

Combined immunodeficiency due to CD27 deficiency

CD27 deficiency · Autosomal recessive lymphoproliferative disease due to CD27 deficiency

ORPHA:238505

Combined immunodeficiency due to ITK deficiency

ITK deficiency · Autosomal recessive lymphoproliferative disease due to ITK deficiency

ORPHA:538963

Common variable immunodeficiency phenotype due to CD19/CD81 deficiency

CVID phenotype due to CD19/CD81 deficiency · CD19 deficiency

ORPHA:696881

Complement component 3 deficiency

C3 deficiency

ORPHA:280133

Complement hyperactivation-angiopathic thrombosis-protein-losing enteropathy syndrome

CD55 deficiency · CHAPLE syndrome

ORPHA:566175

Congenital adrenal hyperplasia due to 11-beta-hydroxylase deficiency

CAH due to 11-beta-hydroxylase deficiency · CYP11B1 deficiency

ORPHA:90795

Congenital adrenal hyperplasia due to cytochrome P450 oxidoreductase deficiency

Congenital adrenal hyperplasia due to cytochrome POR deficiency · POR deficiency

ORPHA:95699

Congenital bile acid synthesis defect type 4

2-methylacyl-CoA racemase deficiency · AMACR deficiency

ORPHA:79095

Congenital factor II deficiency

Dysprothrombinemia · Hypoprothrombinemia

ORPHA:325

Congenital factor V deficiency

Owren disease · Parahemophilia

ORPHA:326

Congenital factor XI deficiency

Hemophilia C · PTA deficiency

ORPHA:329

Congenital neutropenia-myelofibrosis-nephromegaly syndrome

Congenital neutropenia-bone marrow fibrosis-nephromegaly syndrome · VPS45 deficiency

ORPHA:369852

Congenital progressive bone marrow failure-B-cell immunodeficiency-skeletal dysplasia syndrome

MYSM1 deficiency

ORPHA:508542

Congenital sodium diarrhea

Na-H exchanger 3 deficiency · CSD

ORPHA:103908

Constitutional megaloblastic anemia with severe neurologic disease

DHFR deficiency · Dihydrofolate reductase deficiency

ORPHA:319651

Corticosteroid-binding globulin deficiency

Transcortin deficiency

ORPHA:199247

Deficiency of adenosine deaminase 2

Adenosine deaminase 2 deficiency · ADA2 deficiency

ORPHA:404553

Dimethylglycine dehydrogenase deficiency

DMG dehydrogenase deficiency · DMGDH deficiency

ORPHA:243343

Dopa-responsive dystonia due to sepiapterin reductase deficiency

Autosomal recessive sepiapterin reductase-deficient DRD · DRD due to SRD

ORPHA:70594

Dopamine beta-hydroxylase deficiency

DBH deficiency

ORPHA:230

Epileptic encephalopathy with global cerebral demyelination

AGC1 deficiency · Mitochondrial aspartate-glutamate carrier 1 deficiency

ORPHA:353217