Idiopathic macular telangiectasia type 1

Adult

Idiopathic macular telangiectasia type 3

Adult

Idiopathic neonatal atrial flutter

Not applicable

Infancy, Neonatal

Idiopathic panuveitis

Not applicable

Adolescent, Adult, Childhood, Elderly

Idiopathic peliosis hepatis

Adult, Childhood

Idiopathic phalangeal acro-osteolysis

Not applicable

Idiopathic pleuroparenchymal fibroelastosis

Adolescent, Adult, Elderly

Idiopathic pulmonary fibrosis

Multigenic/multifactorial

Adult

Idiopathic pulmonary hemosiderosis

Childhood

Idiopathic recurrent pericarditis

Not applicable

All ages

Idiopathic recurrent stupor

Not applicable

Adult

Idiopathic spontaneous coronary artery dissection

Not applicable

Adult

Idiopathic trachyonychia

Autosomal dominant

Childhood

Idiopathic uveal effusion syndrome

Unknown

Adult

Idiopathic ventricular fibrillation

Autosomal dominant, Not applicable

All ages

Idiopathic/heritable pulmonary arterial hypertension

Autosomal dominant, Autosomal recessive, Not applicable

All ages

IgA pemphigus

All ages

IgG4-related systemic disease

Not applicable

Adolescent, Adult, Childhood, Elderly

Ileal neuroendocrine tumor

Not applicable

Adult

Imerslund-Gräsbeck syndrome

Autosomal recessive

Childhood

Iminoglycinuria

Autosomal recessive

All ages

Immune dysregulation with immunodeficiency due to AIOLOS haploinsufficiency

Autosomal recessive

Immune dysregulation-inflammatory bowel disease- recurrent sinopulmonary infections syndrome

Infancy

Immune dysregulation-inflammatory bowel disease-arthritis-recurrent infections syndrome

Autosomal recessive

Infancy, Neonatal