Certain infectious and parasitic diseases (A00-B99)
Includes:
diseases generally recognized as communicable or transmissible
Use additional
code to identify resistance to antimicrobial drugs (Z16.-)
Excludes 1:
certain localized infections - see body system-related chapters
Excludes 2:
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)
Rickettsioses (A75-A79)
A75
Typhus fever [+]
Excludes 1:
rickettsiosis due to Ehrlichia sennetsu (A79.81)
A75.0
Epidemic louse-borne typhus fever due to Rickettsia prowazekii Classical typhus (fever) Epidemic (louse-borne) typhus
A75.1
Recrudescent typhus [Brill's disease] Brill-Zinsser disease
A75.2
Typhus fever due to Rickettsia typhi Murine (flea-borne) typhus
A75.3
Typhus fever due to Rickettsia tsutsugamushi Scrub (mite-borne) typhus Tsutsugamushi fever Typhus fever due to Orientia Tsutsugamushi (scrub typhus)
A75.9
Typhus fever, unspecified Typhus (fever) NOS
A77
Spotted fever [tick-borne rickettsioses] [+]
A77.0
Spotted fever due to Rickettsia rickettsii Rocky Mountain spotted fever Sao Paulo fever
A77.1
Spotted fever due to Rickettsia conorii African tick typhus Boutonneuse fever India tick typhus Kenya tick typhus Marseilles fever Mediterranean tick fever
A77.2
Spotted fever due to Rickettsia siberica North Asian tick fever Siberian tick typhus
A77.3
Spotted fever due to Rickettsia australis Queensland tick typhus
A77.4
Ehrlichiosis [+]
Excludes 1:
anaplasmosis [A. phagocytophilum] (A79.82) rickettsiosis due to Ehrlichia sennetsu (A79.81)
A77.40
Ehrlichiosis, unspecified
A77.41
Ehrlichiosis chaffeensis [E. chaffeensis]
A77.49
Other ehrlichiosis Ehrlichiosis due to E. ewingii Ehrlichiosis due to E. muris euclairensis
A77.8
Other spotted fevers Rickettsia 364D/R. philipii (Pacific Coast tick fever) Spotted fever due to Rickettsia africae (African tick bite fever) Spotted fever due to Rickettsia parkeri
A77.9
Spotted fever, unspecified Tick-borne typhus NOS
A78
Q fever Infection due to Coxiella burnetii Nine Mile fever Quadrilateral fever
A79
Other rickettsioses [+]
A79.0
Trench fever Quintan fever Wolhynian fever
A79.1
Rickettsialpox due to Rickettsia akari Kew Garden fever Vesicular rickettsiosis
A79.8
Other specified rickettsioses [+]
A79.81
Rickettsiosis due to Ehrlichia sennetsu Rickettsiosis due to Neorickettsia sennetsu
A79.82
Anaplasmosis [A. phagocytophilum] Transfusion transmitted A. phagocytophilum
A79.89
Other specified rickettsioses
A79.9
Rickettsiosis, unspecified Rickettsial infection NOS
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The ICD-10 Diagnosis Codes are based on the latest diagnosis coding files (2021 ICD-10-CM and 2018 GEMs ).
The ICD-10 Procedure Codes are based on the latest procedure coding files (2021 ICD-10-PCS and 2018 GEMs ).