DISEASES OF THE RESPIRATORY SYSTEM [460-519]
[460-466] Acute respiratory infections.
[470-478] Other diseases of the upper respiratory tract.
[480-487] Pneumonia and influenza.
[490-496] Chronic obstructive pulmonary disease and allied conditions.
[500-508] Pneumoconioses and other lung diseases due to external agents.
[510-519] Other diseases of respiratory system.
DISEASES OF THE DIGESTIVE SYSTEM [520-579]
[520-529] Diseases of oral cavity, salivary glands. and jaws.
[530-537] Diseases of esophagus, stomach, and duodenum.
[540-543] Appendicitis.
[550-553] Hernia of abdominal cavity.
[555-558] Noninfectious enteritis and colitis.
[560-569] Other diseases of intestines and peritoneum.
[570-579] Other diseases of digestive system.
DISEASES OF THE GENITOURINARY SYSTEM [580-629]
[580-589] Nephritis, nephrotic syndrome, and nephrosis.
[590-599] Other diseases of urinary system.
[600-608] Diseases of male genital organs.
[610-611] Disorders of breast.
[614-616] Inflammatory disease of female pelvic organs.
[617-629] Other disorders of female genital tract.
