Lactic Acidosis see Metabolic diseases
Lactic Acidosis see Mitochondrial Cytopathies and related disorders
Lafora Body disease see Metabolic diseases
Lambert-Eaton Myasthenia syndrome see Myasthenia Gravis and other Myasthenic syndromes
Lamellar Ichthyosis see Ichthyosis
Landau-Kleffner syndrome
Landouzy-Dejerine see Facioscapulohumeral Muscular Dystrophy
Landry's Ascending Paralysis see Guillain-Barré syndrome
Langer-Giedion syndrome
Langerhans Cell Histiocytosis see Histiocytosis
Language Disorder see Speech and Language Impairment
Larsen syndrome
Laryngeal Dystonia see Dystonia
Late Onset Tay Sachs disease see Tay Sachs disease
Laurence-Moon-Bardet-Biedl see Bardet-Biedl syndrome
Laurence-Moon-Biedl see Bardet-Biedl syndrome
LCA see Leber's Congenital Amaurosis
LCAD see Fatty Acid Oxidation Disorders
LCH see Histiocytosis
LCHAD see Fatty Acid Oxidation Disorders
Learning Disability
Learning Problem see Dyslexia
Leber's Amaurosis see Leber's Congenital Amaurosis
Leber's Congenital Amaurosis
Leber's Hereditary Optic Neuropathy
Leber's Optic Atrophy see Leber's Hereditary Optic Neuropathy
Leber's Optic Neuropathy see Leber's Hereditary Optic Neuropathy
Leg length discrepancy see Lower Limb abnormalities
Legg-Calve-Perthes disease see Perthes disease
Leigh syndrome
Leigh's disease see Leigh syndrome
Leigh's Encephalopathy see Leigh syndrome
Lejeune syndrome see Cri du Chat syndrome
LEMS see Myasthenia Gravis and other Myasthenic syndromes
Lennox-Gastaut syndrome
Leprechaunism see Metabolic diseases
Leroy syndrome (ML II) see Mucopolysaccharide diseases and associated diseases
Lesch Nyhan syndrome