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Certain infectious and parasitic diseases
INCLUDES:
diseases generally recognized as communicable or transmissible
USE ADDITIONAL:
code to identify resistance to antimicrobial drugs (Z16.-)
EXCLUDES1:
certain localized infections - see body system-related chapters
EXCLUDES2:
carrier or suspected carrier of infectious disease (Z22.-)
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
infectious and parasitic diseases specific to the perinatal period (P35-P39)
influenza and other acute respiratory infections (J00-J22)
Chapter: 01: Certain infectious and parasitic diseases
A00-A09Intestinal infectious diseases
A15-A19Tuberculosis
INCLUDES:
 infections due to Mycobacterium tuberculosis and Mycobacterium bovis
EXCLUDES1:
 congenital tuberculosis (P37.0)
 nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
 pneumoconiosis associated with tuberculosis, any type in A15 (J65)
 positive PPD (R76.11)
 positive tuberculin skin test without active tuberculosis (R76.11) sequelae of tuberculosis (B90.-)
 silicotuberculosis (J65)
Tuberculosis
A20-A28Certain zoonotic bacterial diseases
A30-A49Other bacterial diseases
A50-A64Infections with a predominantly sexual mode of transmission
EXCLUDES1:
 human immunodeficiency virus [HIV] disease (B20)
 nonspecific and nongonococcal urethritis (N34.1)
 Reiter's disease (M02.3-)
Infections with a predominantly sexual mode of transmission
A65-A69Other spirochetal diseases
EXCLUDES2:
 leptospirosis (A27.-)
 syphilis (A50-A53)
Other spirochetal diseases
A70-A74Other diseases caused by chlamydiae
EXCLUDES1:
 sexually transmitted chlamydial diseases (A55-A56)
Other diseases caused by chlamydiae
A75-A79Rickettsioses
A80-A89Viral and prion infections of the central nervous system
EXCLUDES1:
 postpolio syndrome (G14)
 sequelae of poliomyelitis (B91)
 sequelae of viral encephalitis (B94.1)
Viral and prion infections of the central nervous system
A90-A99Arthropod-borne viral fevers and viral hemorrhagic fevers
B00-B09Viral infections characterized by skin and mucous membrane lesions
B10Other human herpesviruses
B15-B19Viral hepatitis
EXCLUDES1:
 sequelae of viral hepatitis (B94.2)
EXCLUDES2:
 cytomegaloviral hepatitis (B25.1)
 herpesviral [herpes simplex] hepatitis (B00.81)
Viral hepatitis
B20Human immunodeficiency virus [HIV] disease
B25-B34Other viral diseases
B35-B49Mycoses
EXCLUDES2:
 hypersensitivity pneumonitis due to organic dust (J67.-)
 mycosis fungoides (C84.0-)
Mycoses
B50-B64Protozoal diseases
EXCLUDES1:
 amebiasis (A06.-)
 other protozoal intestinal diseases (A07.-)
Protozoal diseases
B65-B83Helminthiases
B85-B89Pediculosis, acariasis and other infestations
B90-B94Sequelae of infectious and parasitic diseases
NOTES:
 Categories B90-B94 are to be used to indicate conditions in categories A00-B89 as the cause of sequelae, which are themselves classified elsewhere. The 'sequelae' include conditions specified as such; they also include residuals of diseases classifiable to the above categories if there is evidence that the disease itself is no longer present. Codes from these categories are not to be used for chronic infections. Code chronic current infections to active infectious disease as appropriate.
Sequelae of infectious and parasitic diseases
B95-B97Bacterial and viral infectious agents
NOTES:
 These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.
Bacterial and viral infectious agents
B99Other infectious diseases