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
- B00.4Herpesviral encephalitis
- B00.5Herpesviral ocular disease
- B00.50Herpesviral ocular disease, unspecified
- B00.51Herpesviral iridocyclitis
- B00.52Herpesviral keratitis
- B00.53Herpesviral conjunctivitis
- B00.59Other herpesviral disease of eye
- B00.7Disseminated herpesviral disease
- B00.8Other forms of herpesviral infections
- B00.81Herpesviral hepatitis
- B00.82Herpes simplex myelitis
- B00.89Other herpesviral infection
- B00.9Herpesviral infection, unspecified
- B01Varicella [chickenpox]
- B01.0Varicella meningitis
- B01.1Varicella encephalitis, myelitis and encephalomyelitis
- B01.11Varicella encephalitis and encephalomyelitis
- B01.12Varicella myelitis
- B01.2Varicella pneumonia
- B01.8Varicella with other complications
- B01.81Varicella keratitis
- B01.89Other varicella complications
- B01.9Varicella without complication
- B02Zoster [herpes zoster]
- B02.0Zoster encephalitis
- B02.1Zoster meningitis
- B02.2Zoster with other nervous system involvement
- B02.21Postherpetic geniculate ganglionitis
- B02.22Postherpetic trigeminal neuralgia
- B02.23Postherpetic polyneuropathy
- B02.24Postherpetic myelitis
- B02.29Other postherpetic nervous system involvement
- B02.3Zoster ocular disease
- B02.30Zoster ocular disease, unspecified
- B02.31Zoster conjunctivitis
- B02.32Zoster iridocyclitis
- B02.33Zoster keratitis
- B02.34Zoster scleritis
- B02.39Other herpes zoster eye disease
- B02.7Disseminated zoster
- B02.8Zoster with other complications
- B02.9Zoster without complications
- B03Smallpox
- B04Monkeypox
- B05Measles
- B05.0Measles complicated by encephalitis
- B05.1Measles complicated by meningitis
- B05.2Measles complicated by pneumonia
- B05.3Measles complicated by otitis media
- B05.4Measles with intestinal complications