Chronic nonbacterial osteomyelitis/Chronic recurrent multifocal osteomyelitis

Not applicable

Adolescent, Childhood

Chronic pneumonitis of infancy

Not applicable

Infancy, Neonatal

Chronic respiratory distress with surfactant metabolism deficiency

Autosomal dominant

All ages

Chronic thromboembolic pulmonary hypertension

Not applicable

Adolescent, Adult, Elderly

Chronic visceral acid sphingomyelinase deficiency

Autosomal recessive

Childhood

Chuvash erythrocytosis

Autosomal recessive

Infancy, Neonatal

Chylomicron retention disease

Autosomal recessive

Childhood, Infancy

Chylous ascites

All ages

Chédiak-Higashi syndrome

Autosomal recessive

Childhood

Circumscribed palmoplantar hypokeratosis

Unknown

Adult

Cirrhosis-dystonia-polycythemia-hypermanganesemia syndrome

Autosomal recessive

Childhood

Citrullinemia type I

Autosomal recessive

All ages

Citrullinemia type II

Autosomal recessive

Adult

Class I glucose-6-phosphate dehydrogenase deficiency

X-linked recessive

Neonatal

Classic Hodgkin lymphoma

Unknown

All ages

Classic congenital adrenal hyperplasia due to 21-hydroxylase deficiency

Autosomal recessive

Adolescent, Adult, Antenatal, Childhood, Infancy, Neonatal

Classic eosinophilic pustular folliculitis

Adolescent, Adult

Classic galactosemia

Autosomal recessive

Infancy, Neonatal

Classic glucose transporter type 1 deficiency syndrome

Autosomal dominant, Autosomal recessive

Infancy, Neonatal

Classic hairy cell leukemia

Unknown

Adult

Classic heparin-induced thrombocytopenia

Not applicable

All ages

Classic mycosis fungoides

Multigenic/multifactorial, Not applicable

Adult

Classical Ehlers-Danlos syndrome

Autosomal dominant

Childhood, Infancy, Neonatal

Classical-like Ehlers-Danlos syndrome type 1

Autosomal recessive

Childhood, Infancy, Neonatal