A00–B99: Certain Infectious and Parasitic Diseases
Chapter 1 of ICD-10-CM 2027, 1,309 codes in 22 blocks.
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Chapter instructions
Includes: conditions that are coded here
- diseases generally recognized as communicable or transmissible
Excludes2: not included here, code separately if applicable
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- 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)
Use additional code: add a second code for this, listed after this one
- code to identify resistance to antimicrobial drugs (Z16.-)
Codes in this chapter
All codesBillable only1,309 results
- A88Other viral infections of central nervous system, not elsewhere classified
- A88.0Enteroviral exanthematous fever [Boston exanthem]
- A88.1Epidemic vertigo
- A88.8Other specified viral infections of central nervous system
- A89Unspecified viral infection of central nervous system
- A90Dengue fever [classical dengue]
- A91Dengue hemorrhagic fever
- A92Other mosquito-borne viral fevers
- A92.0Chikungunya virus disease
- A92.1O'nyong-nyong fever
- A92.2Venezuelan equine fever
- A92.3West Nile virus infection
- A92.30West Nile virus infection, unspecified
- A92.31West Nile virus infection with encephalitis
- A92.32West Nile virus infection with other neurologic manifestation
- A92.39West Nile virus infection with other complications
- A92.4Rift Valley fever
- A92.5Zika virus disease
- A92.8Other specified mosquito-borne viral fevers
- A92.9Mosquito-borne viral fever, unspecified
- A93Other arthropod-borne viral fevers, not elsewhere classified
- A93.0Oropouche virus disease
- A93.1Sandfly fever
- A93.2Colorado tick fever
- A93.8Other specified arthropod-borne viral fevers
- A94Unspecified arthropod-borne viral fever
- A95Yellow fever
- A95.0Sylvatic yellow fever
- A95.1Urban yellow fever
- A95.9Yellow fever, unspecified
- A96Arenaviral hemorrhagic fever
- A96.0Junin hemorrhagic fever
- A96.1Machupo hemorrhagic fever
- A96.2Lassa fever
- A96.8Other arenaviral hemorrhagic fevers
- A96.9Arenaviral hemorrhagic fever, unspecified
- A98Other viral hemorrhagic fevers, not elsewhere classified
- A98.0Crimean-Congo hemorrhagic fever
- A98.1Omsk hemorrhagic fever
- A98.2Kyasanur Forest disease
- A98.3Marburg virus disease
- A98.4Ebola virus disease
- A98.5Hemorrhagic fever with renal syndrome
- A98.8Other specified viral hemorrhagic fevers
- A99Unspecified viral hemorrhagic fever
- B00Herpesviral [herpes simplex] infections
- B00.0Eczema herpeticum
- B00.1Herpesviral vesicular dermatitis
- B00.2Herpesviral gingivostomatitis and pharyngotonsillitis
- B00.3Herpesviral meningitis