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)
Other viral diseases (B25-B34)
B25
Cytomegaloviral disease [+]
Excludes 1:
congenital cytomegalovirus infection (P35.1) cytomegaloviral mononucleosis (B27.1-)
B25.0
Cytomegaloviral pneumonitis
B25.1
Cytomegaloviral hepatitis
B25.2
Cytomegaloviral pancreatitis
B25.8
Other cytomegaloviral diseases Cytomegaloviral encephalitis
B25.9
Cytomegaloviral disease, unspecified
B26
Mumps [+]
Includes:
epidemic parotitis infectious parotitis
B26.0
Mumps orchitis
B26.1
Mumps meningitis
B26.2
Mumps encephalitis
B26.3
Mumps pancreatitis
B26.8
Mumps with other complications [+]
B26.9
Mumps without complication Mumps NOS Mumps parotitis NOS
B27
Infectious mononucleosis [+]
Includes:
glandular fever monocytic angina Pfeiffer's disease
B27.0
Gammaherpesviral mononucleosis [+] Mononucleosis due to Epstein-Barr virus
B27.00
Gammaherpesviral mononucleosis without complication
B27.01
Gammaherpesviral mononucleosis with polyneuropathy
B27.02
Gammaherpesviral mononucleosis with meningitis
B27.09
Gammaherpesviral mononucleosis with other complications Hepatomegaly in gammaherpesviral mononucleosis
B27.1
Cytomegaloviral mononucleosis [+]
B27.10
Cytomegaloviral mononucleosis without complications
B27.11
Cytomegaloviral mononucleosis with polyneuropathy
B27.12
Cytomegaloviral mononucleosis with meningitis
B27.19
Cytomegaloviral mononucleosis with other complication Hepatomegaly in cytomegaloviral mononucleosis
B27.8
Other infectious mononucleosis [+]
B27.80
Other infectious mononucleosis without complication
B27.81
Other infectious mononucleosis with polyneuropathy
B27.82
Other infectious mononucleosis with meningitis
B27.89
Other infectious mononucleosis with other complication Hepatomegaly in other infectious mononucleosis
B27.9
Infectious mononucleosis, unspecified [+]
B27.90
Infectious mononucleosis, unspecified without complication
B27.91
Infectious mononucleosis, unspecified with polyneuropathy
B27.92
Infectious mononucleosis, unspecified with meningitis
B27.99
Infectious mononucleosis, unspecified with other complication Hepatomegaly in unspecified infectious mononucleosis
B30
Viral conjunctivitis [+]
Excludes 1:
herpesviral [herpes simplex] ocular disease (B00.5) ocular zoster (B02.3)
B30.0
Keratoconjunctivitis due to adenovirus Epidemic keratoconjunctivitis Shipyard eye
B30.1
Conjunctivitis due to adenovirus Acute adenoviral follicular conjunctivitis Swimming-pool conjunctivitis
B30.2
Viral pharyngoconjunctivitis
B30.3
Acute epidemic hemorrhagic conjunctivitis (enteroviral) Conjunctivitis due to coxsackievirus 24 Conjunctivitis due to enterovirus 70 Hemorrhagic conjunctivitis (acute)(epidemic)
B30.8
Other viral conjunctivitis Newcastle conjunctivitis
B30.9
Viral conjunctivitis, unspecified
B33
Other viral diseases, not elsewhere classified [+]
B33.0
Epidemic myalgia Bornholm disease
B33.1
Ross River disease Epidemic polyarthritis and exanthema Ross River fever
B33.2
Viral carditis [+] Coxsackie (virus) carditis
B33.3
Retrovirus infections, not elsewhere classified Retrovirus infection NOS
B33.4
Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS] Hantavirus disease with pulmonary manifestations Sin nombre virus disease
Use additional
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)
B33.8
Other specified viral diseases
Excludes 1:
anogenital human papillomavirus infection (A63.0) viral warts due to human papillomavirus infection (B07)
B34
Viral 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)
B34.0
Adenovirus infection, unspecified
B34.1
Enterovirus infection, unspecified Coxsackievirus infection NOS Echovirus infection NOS
B34.2
Coronavirus infection, unspecified
Excludes 1:
COVID-19 (U07.1) pneumonia due to SARS-associated coronavirus (J12.81)
B34.3
Parvovirus infection, unspecified
B34.4
Papovavirus infection, unspecified
B34.8
Other viral infections of unspecified site
B34.9
Viral infection, unspecified Viremia 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 ).