F
- FACES Syndrome
- FAP
- FCD
- Fabry Disease
- Facial Ectodermal Dysplasia
- Faciocardiorenal Syndrome
- Faciodigitogential syndrome
- Faciogential dysplasia
- Facioscapulohumeral muscular dystrophy
- Factor I Deficiency
- Factor II
- Factor II Deficiency
- Factor V Deficiency
- Factor VII Deficiency
- Factor VIII deficiency
- Factor X Deficiency
- Factor X Deficiency, Congenital
- Factor XI Deficiency
- Factor XI Deficiency, Congenital
- Factor XII Deficiency
- Factor XIII deficiency
- Failure of tooth eruption, primary
- Fairbank Disease
- Fallopian Tube Cancer
- Fallot Complex with Severe Mental and Growth Retardation
- Familial Amyloid Polyneuropathy
- Familial Congenital Fourth Cranial Nerve Palsy
- Familial Cylindromatosis
- Familial Dysautonomia
- Familial Ectopia Lentis
- Familial Encephalopathy with Neuroserpin Inclusion Bodies
- Familial Eosinophilia
- Familial Erythrocytosis, 1
- Familial Hemiplegic Migraine
- Familial Hypersecretion of Adrenal Androgens
- Familial Hypersensitivity Pneumonitis
- Familial Hypophosphatemic Rickets
- Familial Hypopituitarism
- Familial Mediterranean fever
- Familial Multiple Trichodiscomas
- Familial Nasal Acilia
- Familial Non-Immune Hyperthyroidism
- Familial Opposable Triphalangeal Thumbs Duplication
- Familial Periodic Paralysis
- Familial Platelet Disorder with Associated Myeloid Malignancy
- Familial Porencephaly
- Familial Renal Cell Carcinoma
- Familial Spastic Paraparesis
- Familial Treacher Collins syndrome
- Familial Wilms Tumor 2
- Familial adenomatous polyposis
- Familial adrenal adenoma
- Familial amyloidosis, Finnish type
- Familial atrial myxoma
- Familial avascular necrosis of the femoral head
- Familial benign pemphigus
- Familial bilateral striatal necrosis
- Familial cold autoinflammatory syndrome 2
- Familial ectopic ossification
- Familial emphysema
- Familial expansile osteolysis
- Familial gynecomastia, due to increased aromatase activity
- Familial hyperaldosteronism type 1
- Familial hyperaldosteronism type 2
- Familial hyperinsulinism
- Familial idiopathic basal ganglia calcification
- Familial infantile myasthenia
- Familial mediterranean fever, autosomal dominant
- Familial mesangial sclerosis
- Familial multiple lipomatosis
- Familial osteodysplasia
- Familial progressive cardiac conduction defect
- Familial pulmonary capillary hemangiomatosis
- Familial symmetric lipomatosis
- Familial venous malformations
- Familial ventricular tachycardia
- Familial x-linked hypophosphatemic vitamin D refractory rickets
- Familial, dental noneruption
- Fanconi Anemia
- Fanconi Bickel Syndrome
- Fanconi Renotubular Syndrome
- Fanconi anemia, complementation group B
- Fanconi syndrome
- Farber's Disease
- Farber's lipogranulomatosis
- Fatal Familial Insomnia
- Fatty Oxidation Disorders
- Faulk Epstein Jones Syndrome
- Faye-Petersen Ward Carey Syndrome
- Fazio Londe Syndrome
- Fealty Syndrome
- Febrile Ulceronecrotic Mucha-Habermann Disease
- Febrile seizures
- Fechtner syndrome
- Feigenbaum Bergeron Richardson Syndrome
- Feigenbaum Bergeron Syndrome
- Feingold Trainer Syndrome
- Feingold syndrome
- Felty's Syndrome
- Femoral Facial Syndrome
- Femur Bifid with Monodactylous Ectrodactyly
- Femur Fibula Ulna Syndrome
- Fetal Akinesia Deformation Sequence
- Fetal Akinesia Syndrome X-Linked
- Fetal Aminopterin Syndrome
- Fetal Brain Disruption Sequence
- Fetal Left Ventricular Aneurysm
- Fetal ovarian cyst
