Basics Approach to IEM Neonatal Screening for Metabolic Diseases Protein Metabolism Disorders Overview Organic Acidemias Urea Cycle Disorders Specific Disorders Phenylketonuria Tyrosinemia Homocystinuria Maple Syrup Urine Disease Alkaptonuria Isovaleric Acidemia OTC Deficiency Methylmalonic Acidemia (MMA) Carbohydrate Metabolism Disorders Overview Glycogen Storage Disorders Glycolysis associated disorders Kerb’s Cycle Associated Disorders Specific Disorders Von Gierke’s Disease Pompe’s Disease Galactosemia Fat Metabolism Disorder Overview Fatty Acid Oxidation Defect (FOAD) Specific Disorders Zellweger Syndrome Others MPS - overview MPS-1 Hurler Disease MPS-2 Hunter Disease Lysosomal Storage Disorders - Overview Sphingolipidosis and Mucolipidosis - Overview Gaucher’s Disease Niemann Pick Disease Tay-Sach’s Disease Biotinidase Deficiency X-Linked Adrenoleukodystrophy (X-ALD)