- Birth Defects
- Blood and Blood-forming Organs
- Cancer (Oncology)
- Circulatory System
- Dental and Oral Diseases
- Digestive System
- Hormone, Nutrition and Metabolic diseases
- Immunity Disorders
- Infectious and Parasitic Diseases
- Injury and Poisoning
- Mental Disorders
- Nervous System and Sense Organs
- Pregnancy and Childbirth
- Reproductive and Urinary Systems (Kidneys)
- Respiratory System
- Skeletal and Muscular Systems
- Skin and Subcutaneous Tissues
- Symptoms, signs and ill-defined conditions