General Coding Conventions & Official Guidelines -- Chapter-Specific Official Guidelines -- Neoplasms -- Endocrine System, Nutrition, Metabolism & Immunity -- Blood & Blood-Forming Organs -- Mental Disorders -- Nervous System & Sense Organs -- Circulatory System -- Respiratory System -- Digestive System -- Genitourinary System -- Pregnancy, Childbirth & Puerperium -- Skin & Subcutaneous Tissue -- Musculoskeletal & Connective Tissue -- Congenital Malformations, Deformations & Chromosomal Abnormalities -- Perinatal -- Symptoms, Signs & Ill-DefinedConditions & Abnormal Clinical& Laboratory Findings -- Injury, Poisoning & Other Consequences of External Causes -- Factors Influencing Health Status & Contact with Health Services -- External Causes of Morbidity, Injury& Poisoning -- Section II: Selection of Principal Diagnosis -- Section III: Reporting -- Section IV: Diagnostic Coding & Reporting Guidelines for Outpatient Services -- Present-on-AdmissionReporting Guidelines -- Steps to Coding Diagnoses.