HAE see C1 Esterase Inhibitor Deficiency
Haemangiomas see Vascular Birthmarks
Haemochromatosis
Haemolytic Uraemic syndrome
Haemophagocytic Lymphohistiocytosis see Histiocytosis
Haemophilia, von Willebrand disease and other coagulation defects
Haemorrhagic nodular glycolipid lipidosis see Fabry disease
Hallervorden-Spatz syndrome see Neuroacanthocytosis disorders
Hand Schuller Christian syndrome see Histiocytosis
Harlequin Ichthyosis see Ichthyosis
Hartnup disease see Metabolic diseases
Hashimoto's disease see Thyroid Disorders
Hashimoto's Encephalitis
HCH see Hypochondroplasia
HCM see Cardiomyopathies
Head Injuries see Brain Injuries
Heart and Heart/Lung Transplant
Heart Defects
Hemifacial Microsomia see Goldenhar syndrome
Hemimegalencephaly
Hemimelia
Hemiplegia
Henoch Schonlein Purpura
Hepatitis A see Liver disease
Hepatitis B see Liver disease
Hepatitis C see Liver disease
Hepatoblastoma see Liver disease
Hereditary and Sensory Autonomic Neuropathy see Congenital Insensitivity/Indifference to Pain
Hereditary Angioedema see C1 Esterase Inhibitor Deficiency
Hereditary Coproporphyria see Porphyria
Hereditary Haemorrhagic Telangiectasia
Hereditary Motor and Sensory Neuropathy see Charcot-Marie-Tooth disease
Hereditary Multiple Exostoses
Hereditary oligophrenic cerebellolental degeneration see Marinesco-Sjögren Syndrome
Hereditary Orotic Aciduria see Purine & Pyrimidine Metabolic diseases
Hereditary Progressive Arthro-Ophthalmopathy see Stickler syndrome
Hereditary Renal Hypouricaemia see Purine & Pyrimidine Metabolic diseases
Hereditary Spastic Paraplegia see Familial Spastic Paraplegia
Hereditary Thrombophilia
Hereditary-Osteo-Onycho-Dysplasia see Nail-Patella syndrome
Hermansky-Pudlak syndrome see Albinism
Herpes Simplex encephalitis see Encephalitis
Herpes Simplex Virus Infection see Herpes Virus Infection
Herpes Virus Infection
Hers disease see Glycogen Storage diseases
Hexosaminidase A deficiency see Metabolic diseases
HGG see Primary Immunodeficiencies
HGPRT Deficiency see Lesch Nyhan syndrome