Certain infectious and parasitic diseases

Blocks in This Chapter

ICD-10-CM groups this chapter's categories into 22 blocks of three-character categories.

1. A00 –A09 Intestinal infectious diseases
2. A15 –A19 Tuberculosis
3. A20 –A28 Certain zoonotic bacterial diseases
4. A30 –A49 Other bacterial diseases
5. A50 –A64 Infections with a predominantly sexual mode of transmission
6. A65 –A69 Other spirochetal diseases
7. A70 –A74 Other diseases caused by chlamydiae
8. A75 –A79 Rickettsioses
9. A80 –A89 Viral and prion infections of the central nervous system
10. A90 –A99 Arthropod-borne viral fevers and viral hemorrhagic fevers
11. B00 –B09 Viral infections characterized by skin and mucous membrane lesions
12. B10 Other human herpesviruses
13. B15 –B19 Viral hepatitis
14. B20 Human immunodeficiency virus [HIV] disease
15. B25 –B34 Other viral diseases
16. B35 –B49 Mycoses
17. B50 –B64 Protozoal diseases
18. B65 –B83 Helminthiases
19. B85 –B89 Pediculosis, acariasis and other infestations
20. B90 –B94 Sequelae of infectious and parasitic diseases
21. B95 –B97 Bacterial and viral infectious agents
22. B99 Other infectious diseases

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