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
- B26.81Mumps hepatitis
- B26.82Mumps myocarditis
- B26.83Mumps nephritis
- B26.84Mumps polyneuropathy
- B26.85Mumps arthritis
- B26.89Other mumps complications
- B26.9Mumps without complication
- B27Infectious mononucleosis
- B27.0Gammaherpesviral mononucleosis
- B27.00Gammaherpesviral mononucleosis without complication
- B27.01Gammaherpesviral mononucleosis with polyneuropathy
- B27.02Gammaherpesviral mononucleosis with meningitis
- B27.09Gammaherpesviral mononucleosis with other complications
- B27.1Cytomegaloviral mononucleosis
- B27.10Cytomegaloviral mononucleosis without complications
- B27.11Cytomegaloviral mononucleosis with polyneuropathy
- B27.12Cytomegaloviral mononucleosis with meningitis
- B27.19Cytomegaloviral mononucleosis with other complication
- B27.8Other infectious mononucleosis
- B27.80Other infectious mononucleosis without complication
- B27.81Other infectious mononucleosis with polyneuropathy
- B27.82Other infectious mononucleosis with meningitis
- B27.89Other infectious mononucleosis with other complication
- B27.9Infectious mononucleosis, unspecified
- B27.90Infectious mononucleosis, unspecified without complication
- B27.91Infectious mononucleosis, unspecified with polyneuropathy
- B27.92Infectious mononucleosis, unspecified with meningitis
- B27.99Infectious mononucleosis, unspecified with other complication
- B30Viral conjunctivitis
- B30.0Keratoconjunctivitis due to adenovirus
- B30.1Conjunctivitis due to adenovirus
- B30.2Viral pharyngoconjunctivitis
- B30.3Acute epidemic hemorrhagic conjunctivitis (enteroviral)
- B30.8Other viral conjunctivitis
- B30.9Viral conjunctivitis, unspecified
- B33Other viral diseases, not elsewhere classified
- B33.0Epidemic myalgia
- B33.1Ross River disease
- B33.2Viral carditis
- B33.20Viral carditis, unspecified
- B33.21Viral endocarditis
- B33.22Viral myocarditis
- B33.23Viral pericarditis
- B33.24Viral cardiomyopathy
- B33.3Retrovirus infections, not elsewhere classified
- B33.4Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
- B33.8Other specified viral diseases
- B34Viral infection of unspecified site
- B34.0Adenovirus infection, unspecified
- B34.1Enterovirus infection, unspecified