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Classification of Diseases



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  • 1. Classification of Diseases Dr. Sawsan Mustafa Abdalla Associate Professor
  • 2. Disease??:
  • 3. Health: Health is a state of complete physical, mental and social wellbeing and not merely an absence of disease or infirmity
  • 4. • The International Classification of Diseases (ICD) is the standard diagnostic tool for epidemiology, health management and clinical purposes.
  • 5. • This includes the analysis of the general health situation of population groups. It is used to monitor the incidence and prevalence of diseases and other health problems.
  • 6. • It is used to classify diseases and other health problems recorded on many types of health and vital records including death certificates and health records.
  • 7. • In addition to enabling the storage and retrieval of diagnostic information for clinical, epidemiological and quality purposes, • these records also provide the basis for the compilation of national mortality and morbidity statistics by WHO Member States.
  • 8. • It is used for reimbursement and resource allocation decision-making by countries.
  • 9. :Disease The state of un-wellbeing
  • 10. A system for classification of diseases is needed whereby diseases could be grouped according to certain common characteristics, that would facilitate the statistical study of disease phenomena.
  • 11.  Many approaches were tried to classify diseases.  Jhon Graunt in 17th century in his study of Bills of Mortality, arranged diseases in an alphabetical order.
  • 12.  More scientific approach was adopted in classifying disease according to certain characteristics.
  • 13.  Classification was as follow:  a-the part of the body affected  b-the etiologic agent  c-the kind of morbid change produced by the disease  The kind of disturbance of function produced by the disease or injury.
  • 14. International Classification ICD
  • 15. ICD • Certain infecous and parasitic diseases(A00-B99) • Neoplasm(C00-D48) • Diseases of the blood and blood forming organs and certain disorders involving the immune mechanism(D50-889)
  • 16. ICD • Endocrine,nutritional and metabolic diseases(E00-E90) • Mental and behavioral disorders (F00-F99) Diseaes of the nervous system(G00-G99)
  • 17. ICD • Diseases of the eyeand adnexa(H00-H59) • Diseases of the ear and mastoid process(H60-H95) • Diseases of the circulatory system (I00-I99) • Diseases of the respiratory system(J00-J99)
  • 18. ICD Diseases of digestive system(K00-K93) Disease of the skin and subcutaneous tissue(L00-L99) Diseases of musculoskeletal system and connective tissue(M00-M99) Diseases of genitourinary system(N00-N99)
  • 19. Materials & methods • Pregnancy, childbirth and puerperium(O00-O99) • Certain conditionsoriginating in perinatal period(P00-P96) • Congenital malformations,deformations and chromosomal abnormaslities(Q00-Q990
  • 20. oSymptoms, signs and abnormal clinical and laboratory findings, not else where classified(R00R99) oInjury, poising and certain other consequences of external causes9S00-T98)
  • 21. ICD o External causes of morbidity and mortality(V01-Y90). o Factors influencing health status and contact with health services(Z00-Z99).