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"

10,912 rare diseases

1q21.1 microdeletion syndrome

Del(1)(q21) · Monosomy 1q21.1

ORPHA:250989

1q21.1 microduplication syndrome

Dup(1)(q21.1) · Trisomy 1q21.1

ORPHA:250994

1q41q42 microdeletion syndrome

Del(1)(q41q42) · Monosomy 1q41q42

ORPHA:250999

1q44 microdeletion syndrome

Del(1)(q44) · Monosomy 1q44

ORPHA:238769

2-aminoadipic 2-oxoadipic aciduria

Alpha-aminoadipic aciduria

ORPHA:79154

2-hydroxyglutaric aciduria

2-hydroxyglutaric acidemia

ORPHA:19

2-methylbutyryl-CoA dehydrogenase deficiency

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

ORPHA:79157

20p12.3 microdeletion syndrome

Del(20)(p12.3) · Monosomy 20p12.3

ORPHA:261295

20p13 microdeletion syndrome

20p subtelomeric deletion syndrome · Del(20)(p13)

ORPHA:313781

20q11.2 microdeletion syndrome

Del(20)(q11.2) · Monosomy 20q11

ORPHA:444051

20q11.2 microduplication syndrome

Dup(20)(q11.2)

ORPHA:363659

20q13.33 microdeletion syndrome

Del(20)(q13.33) · Monosomy 20q13.33

ORPHA:261311

21q deletion syndrome

21q- syndrome · Partial 21q monosomy

ORPHA:574

21q22.11q22.12 microdeletion syndrome

Del(21)(q22.11q22.12) · Monosomy 21q22.11q22.12

ORPHA:261323

22q11.2 deletion syndrome

22q11DS · CATCH 22

ORPHA:567

22q11.2 duplication syndrome

Dup(22)(q11) · Duplication 22q11.2

ORPHA:1727

2p13.2 microdeletion syndrome

Del(2)(p13.2)

ORPHA:363680

2p15p16.1 microdeletion syndrome

Del(2)(p15p16.1) · Monosomy 2p15p16.1

ORPHA:261349

2p21 microdeletion syndrome

2p21 deletion syndrome · Del(2)(p21)

ORPHA:163693

2p21 microdeletion syndrome without cystinuria

Del(2)(p21) without cystinuria

ORPHA:369881

2p25.3 microduplication syndrome

Trisomy 2p25.3 syndrome · Dup(2)(p25.3)

ORPHA:699850

2q13 microdeletion syndrome

del2q13 syndrome

ORPHA:684742

2q23.1 microdeletion syndrome

Del(2)(q23.1) · Monosomy 2q23.1

ORPHA:228402

2q23.1 microduplication syndrome

Dup(2)(q23.1) · Trisomy 2q23.1

ORPHA:313947

2q31.1 microdeletion syndrome

Del(2)(q31.1) · Monosomy 2q31.1

ORPHA:251014

2q32q33 deletion syndrome

Monosomy 2q32q33 · Del(2)(q32q33)

ORPHA:251019

2q37 microdeletion syndrome

Albright hereditary osteodystrophy type 3 · Albright hereditary osteodystrophy-like syndrome

ORPHA:1001

3-hydroxy-3-methylglutaric aciduria

3-hydroxy-3-methylglutaryl-CoA lyase deficiency · HMG-CoA lyase deficiency

ORPHA:20

3-hydroxy-3-methylglutaryl-CoA synthase deficiency

HMG-CoA synthase deficiency

ORPHA:35701

3-hydroxyacyl-CoA dehydrogenase deficiency

ORPHA:309127

3-hydroxyisobutyric aciduria

ORPHA:939

3-methylcrotonyl-CoA carboxylase deficiency

3-methylcrotonylglycinuria · MCC deficiency

ORPHA:6

3-methylglutaconic aciduria

ORPHA:289902

3-methylglutaconic aciduria type 1

3-methylglutaconyl-CoA hydratase deficiency · 3MG-CoA hydratase deficiency

ORPHA:67046

3-methylglutaconic aciduria type 3

Autosomal recessive optic atrophy plus syndrome · Autosomal recessive optic atrophy type 3

ORPHA:67047

3-methylglutaconic aciduria type 4

MGA4

ORPHA:67048

3-methylglutaconic aciduria type 8

MGA8

ORPHA:505208

3-methylglutaconic aciduria type 9

3-methylglutaconic aciduria-epilepsy-spasticity-severe intellectual disability syndrome · MGA9

ORPHA:505216

3-methylglutaconic aciduria-neonatal cataract-neurologic involvement-congenital neutropenia syndrome

MGA7 · 3-methylglutaconic aciduria type 7

ORPHA:445038

3-phosphoglycerate dehydrogenase deficiency, infantile/juvenile form

PHGDH deficiency, infantile/juvenile form

ORPHA:79351

3-phosphoserine phosphatase deficiency, infantile/juvenile form

PSPH deficiency, infantile/juvenile form

ORPHA:79350

3C syndrome

Craniocerebellocardiac dysplasia · Ritscher-Schinzel syndrome

ORPHA:7

3M syndrome

3-M syndrome · Yakut short stature syndrome

ORPHA:2616

3MC syndrome

Malpuech-Michels-Mingarelli-Carnevale syndrome · Craniofacial-ulnar-renal syndrome

ORPHA:293843

3p25.3 microdeletion syndrome

Del(3)p(25.3) · Intellectual disability-epilepsy-stereotypic hand movement syndrome

ORPHA:435638

3q13 microdeletion syndrome

Del(3)(q13) · Monosomy 3q13

ORPHA:1621

3q26 microduplication syndrome

Dup(3)(q26) · Trisomy 3q26

ORPHA:96095

3q26q27 microdeletion syndrome

Del(3)(q26q27) · Monosomy 3q26q27

ORPHA:356947