| Part 1. Inborn Errors of Metabolism |
| Chapter 134 | Principles of Inborn Errors of Metabolism |
Part 2. Disorders of Amino Acid (AA) and Organic Acid (OA) Metabolism |
| Chapter 135 | Hyperphenylal-Aninemias |
| Chapter 136 | Disorders of Tyrosine Metabolism |
| Chapter 137 | Disorders of Branched Chain Amino and Organic Acid Metabolism |
| Chapter 138 | Disorders of Sulfur-Containing Amino Acid Metabolism |
| Chapter 139 | Disorders of Glycine, Serine, and Proline Metabolism |
| Chapter 140 | Disorders of Metabolism of Lysine, Hydroxylysine, and Related Compounds |
| Chapter 141 | Disorders of Metabolism of Neurotransmitter Amino Acids |
| Chapter 142 | Disorders of Creatine and Ornithine Metabolism |
| Chapter 143 | Disorders of Amino Acid Transport Across Cell Membranes |
| Chapter 144 | Other Disorders of Amino Acid Metabolism |
| Chapter 145 | Urea Cycle and Related Disorders |
Part 3. Inborn Errors of Water Soluble Vitamins |
| Chapter 146 | Introduction |
| Chapter 147 | Vitamin B12 and Folic Acid |
| Chapter 148 | Biotin Responsive Disorders |
| Chapter 149 | Vitamin B6 and Vitamin B1 Responsive Disorders |
Part 4. Disorders of Fatty Acid Oxidation, Ketogenesis, and Ketolysis |
| Chapter 150 | Disorders of Fatty Acid Oxidation |
| Chapter 151 | Disorders of Ketogenesis |
| Chapter 152 | Disorders of Ketolysis |
| Chapter 153 | Disorders of Leukotriene Synthesis and Fatty Aldehyde Dehydrogenase |
Part 5. Carbohydrate Metabolism |
| Introduction to Carbohydrate Metabolism |
| Chapter 154 | Disorders of Glycogen Metabolism |
| Chapter 155 | Disorders of Galactose and Fructose Metabolism and Gluconeogenesis |
| Chapter 156 | Disorders of Pentose Phosphate Pathway |
| Chapter 157 | Disorders of Glucose Transporters |
Part 6. Disorders of Oxidative Phosphorylation and Pyruvate Oxidation |
| Chapter 158 | Respiratory Chain Disorders |
| Chapter 159 | Disorders of Energy Metabolism |
Part 7. Organelle Related Disorders |
| Chapter 160 | Mucopolysaccharidosis, Glycoproteinosis, and Mucolipidosis |
| Chapter 161 | Sphingolipidoses |
| Chapter 162 | Peroxisomal Disorders |
| Chapter 163 | Congenital Disorders of Glycosylation |
Part 8. Disorders of Lipid and Bile Acid Metabolism |
| Chapter 164 | Disorders of Cholesterol Synthesis |
| Chapter 165 | Disorders of Bile Acid Synthesis |
| Chapter 166 | Disorders of Lipid and Lipoprotein Metabolism |
Part 9. Disorders of Nucleic Acids, Heme Metabolism, and Metals Transport |
| Chapter 167 | Disorders of Heme Biosynthesis: The Porphyrias |
| Chapter 168 | Disorders of Purine and Pyrimidine Metabolism |
| Chapter 169 | Disorders of Metal Metabolism |
| Part 1. Presenting Signs and Symptoms |
| Chapter 381 | Normal Structure and Function of the Gastrointestinal Tract |
| Chapter 382 | Approach to the Child with Acute, Chronic, or Cyclic Vomiting |
| Chapter 383 | Acute Abdominal Pain |
| Chapter 384 | Chronic Abdominal Pain |
| Chapter 385 | Diarrhea |
| Chapter 386 | Constipation and Fecal Incontinence |
| Chapter 387 | Upper and Lower Gastrointestinal Bleeding |
| Chapter 388 | Abdominal Masses |
| Chapter 389 | Gastrointestinal Obstruction |
| Chapter 390 | Protein-Losing Enteropathy |
| Chapter 391 | Gastrointestinal Disorders Associated with Immunodeficiency |
Part 2. Esophageal Disorders |
| Chapter 392 | Anatomic Disorders of the Esophagus |
| Chapter 393 | Disorders of Esophageal Motility |
| Chapter 394 | Gastroesophageal Reflux and Other Causes of Esophageal Inflammation |
| Chapter 395 | Other Esophageal Disorders |
Part 3. Congenital and Anatomic Disorders of the Stomach and Intestine |
| Chapter 396 | Abdominal Wall Defects |
| Chapter 397 | Malrotation and Volvulus |
| Chapter 398 | Infantile Hypertrophic Pyloric Stenosis |
| Chapter 399 | Congenital Atresias, Stenosis, and Webs |
| Chapter 400 | Microgastria and Gastric Perforation |
| Chapter 401 | Duplications and Cysts |
| Chapter 402 | Omphalo-Mesenteric Duct Remnants |
| Chapter 403 | Meconium Diseases of Infancy and Distal Intestinal Obstruction Syndrome |
| Chapter 404 | Intussusception |
| Chapter 405 | Inguinal and Other Hernias |
| Chapter 406 | Superior Mesenteric Artery Syndrome |
| Chapter 407 | Motor Disorders of the Stomach, Small Bowel, and Colon |
Part 4. Disorders of Digestion and Absorption |
| Chapter 408 | Disorders of Digestion and Absorption |
Part 5. Disorders of the Stomach and Intestine |
| Chapter 409 | Inflammatory Disorders of the Stomach |
| Chapter 410 | Inflammatory Bowel Disease |
| Chapter 411 | Allergic and Eosinophilic Gastroenteropathies |
| Chapter 412 | Vascular, Systemic, and Other Disorders Affecting the Gastrointestinal Tract |
| Chapter 413 | Acute Appendicitis, Typhlitis, and Chronic Appendicitis |
| Chapter 414 | Polyps and Tumors of the Gastrointestinal Tract |
| Chapter 415 | Congenital Anomalies of the Anorectum |
| Chapter 416 | Other Anorectal Disorders |
Part 6. The Exocrine Pancreas |
| Chapter 417 | Disorders of the Exocrine Pancreas |