1. Certain infectious and parasitic diseases (A00-B99)

 2. Neoplasms (C00-D48)

 3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

 4. Endocrine, nutritional and metabolic diseases (E00-E90)

 5. Mental and behavioural disorders (F00-F99)

 6. Diseases of the nervous system (G00-G99)

 7. Diseases of the eye and adnexa (H00-H59)

 8. Diseases of the ear and mastoid process (H60-H95)

 9. Diseases of the circulatory system (I00-I99)

 10. Diseases of the respiratory system (J00-J99)

 11. Diseases of the digestive system (K00-K93)

 12. Diseases of the skin and subcutaneous tissue (L00-L99)

 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)

 14. Diseases of the genitourinary system (N00-N99)

   N00-N08  Glomerular diseases

   N10-N16  Renal tubulo-interstitial diseases

   N17-N19  Renal failure

   N20-N23  Urolithiasis

   N25-N29  Other disorders of kidney and ureter

   N30-N39  Other diseases of urinary system

     N30  Cystitis

     N34  Urethritis and urethral syndrome

     N37  Urethral disorders in diseases classified elsewhere

     N39  Other disorders of urinary system

   N40-N51  Diseases of male genital organs

   N60-N64  Disorders of breast

   N70-N77  Inflammatory diseases of female pelvic organs

   N80-N98  Noninflammatory disorders of female genital tract

   N99-N99  Other disorders of the genitourinary system

 15. Pregnancy, childbirth and the puerperium (O00-O99)

 16. Certain conditions originating in the perinatal period (P00-P96)

 17. Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

 19. Injury, poisoning and certain other consequences of external causes (S00-T98)

 20. External causes of morbidity and mortality (V01-Y98)

 21. Factors influencing health status and contact with health services (Z00-Z99)

 22. Codes for special purposes (U00-U85)