Other viral diseases (B25-B34)
B25Cytomegaloviral disease
Excludes 1: congenital cytomegalovirus infection (P35.1)
› cytomegaloviral mononucleosis (B27.1-)
B25.0Cytomegaloviral pneumonitis
B25.1Cytomegaloviral hepatitis
B25.2Cytomegaloviral pancreatitis
B25.8Other cytomegaloviral diseases
› Cytomegaloviral encephalitis
B25.9Cytomegaloviral disease, unspecified
B26Mumps
Includes: epidemic parotitis
› infectious parotitis
B26.0Mumps orchitis
B26.1Mumps meningitis
B26.2Mumps encephalitis
B26.3Mumps pancreatitis
B26.8Mumps with other complications
B26.81Mumps hepatitis
B26.82Mumps myocarditis
B26.83Mumps nephritis
B26.84Mumps polyneuropathy
B26.85Mumps arthritis
B26.89Other mumps complications
B26.9Mumps without complication
› Mumps NOS
› Mumps parotitis NOS
B27Infectious mononucleosis
Includes: glandular fever
› monocytic angina
› Pfeiffer's disease
B27.0Gammaherpesviral mononucleosis
› Mononucleosis due to Epstein-Barr virus
B27.00Gammaherpesviral mononucleosis without complication
B27.01Gammaherpesviral mononucleosis with polyneuropathy
B27.02Gammaherpesviral mononucleosis with meningitis
B27.09Gammaherpesviral mononucleosis with other complications
› Hepatomegaly in gammaherpesviral mononucleosis
B27.1Cytomegaloviral mononucleosis
B27.10Cytomegaloviral mononucleosis without complications
B27.11Cytomegaloviral mononucleosis with polyneuropathy
B27.12Cytomegaloviral mononucleosis with meningitis
B27.19Cytomegaloviral mononucleosis with other complication
› Hepatomegaly in cytomegaloviral mononucleosis
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
› Hepatomegaly in other infectious mononucleosis
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
› Hepatomegaly in unspecified infectious mononucleosis
B30Viral conjunctivitis
Excludes 1: herpesviral [herpes simplex] ocular disease (B00.5)
› ocular zoster (B02.3)
B30.0Keratoconjunctivitis due to adenovirus
› Epidemic keratoconjunctivitis
› Shipyard eye
B30.1Conjunctivitis due to adenovirus
› Acute adenoviral follicular conjunctivitis
› Swimming-pool conjunctivitis
B30.2Viral pharyngoconjunctivitis
B30.3Acute epidemic hemorrhagic conjunctivitis (enteroviral)
› Conjunctivitis due to coxsackievirus 24
› Conjunctivitis due to enterovirus 70
› Hemorrhagic conjunctivitis (acute)(epidemic)
B30.8Other viral conjunctivitis
› Newcastle conjunctivitis
B30.9Viral conjunctivitis, unspecified
B33Other viral diseases, not elsewhere classified
B33.0Epidemic myalgia
› Bornholm disease
B33.1Ross River disease
› Epidemic polyarthritis and exanthema
› Ross River fever
B33.2Viral carditis
› Coxsackie (virus) carditis
B33.20Viral carditis, unspecified
B33.21Viral endocarditis
B33.22Viral myocarditis
B33.23Viral pericarditis
B33.24Viral cardiomyopathy
B33.3Retrovirus infections, not elsewhere classified
› Retrovirus infection NOS
B33.4Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]
› Hantavirus disease with pulmonary manifestations
› Sin nombre virus disease
Use Additional Code: code to identify any associated acute kidney failure (N17.9)
Excludes 1: hantavirus disease with renal manifestations (A98.5)
› hemorrhagic fever with renal manifestations (A98.5)
B33.8Other specified viral diseases
Excludes 1: anogenital human papillomavirus infection (A63.0)
› viral warts due to human papillomavirus infection (B07)
B34Viral infection of unspecified site
Excludes 1: anogenital human papillomavirus infection (A63.0)
› cytomegaloviral disease NOS (B25.9)
› herpesvirus [herpes simplex] infection NOS (B00.9)
› retrovirus infection NOS (B33.3)
› viral agents as the cause of diseases classified elsewhere (B97.-)
› viral warts due to human papillomavirus infection (B07)
B34.0Adenovirus infection, unspecified
B34.1Enterovirus infection, unspecified
› Coxsackievirus infection NOS
› Echovirus infection NOS
B34.2Coronavirus infection, unspecified
Excludes 1: COVID-19 (U07.1)
› pneumonia due to SARS-associated coronavirus (J12.81)
B34.3Parvovirus infection, unspecified
B34.4Papovavirus infection, unspecified
B34.8Other viral infections of unspecified site
B34.9Viral infection, unspecified
› Viremia NOS