| B00 | Herpesviral [herpes simplex] infections |
| B00.0 | Eczema herpeticum |
| B00.1 | Herpesviral vesicular dermatitis |
| B00.2 | Herpesviral gingivostomatitis and pharyngotonsillitis |
| B00.3 | Herpesviral meningitis |
| B00.4 | Herpesviral encephalitis |
| B00.5 | Herpesviral ocular disease |
| B00.50 | Herpesviral ocular disease, unspecified |
| B00.51 | Herpesviral iridocyclitis |
| B00.52 | Herpesviral keratitis |
| B00.53 | Herpesviral conjunctivitis |
| B00.59 | Other herpesviral disease of eye |
| B00.7 | Disseminated herpesviral disease |
| B00.8 | Other forms of herpesviral infections |
| B00.81 | Herpesviral hepatitis |
| B00.82 | Herpes simplex myelitis |
| B00.89 | Other herpesviral infection |
| B00.9 | Herpesviral infection, unspecified |
| B01 | Varicella [chickenpox] |
| B01.0 | Varicella meningitis |
| B01.1 | Varicella encephalitis, myelitis and encephalomyelitis |
| B01.11 | Varicella encephalitis and encephalomyelitis |
| B01.12 | Varicella myelitis |
| B01.2 | Varicella pneumonia |
| B01.8 | Varicella with other complications |
| B01.81 | Varicella keratitis |
| B01.89 | Other varicella complications |
| B01.9 | Varicella without complication |
| B02 | Zoster [herpes zoster] |
| B02.0 | Zoster encephalitis |
| B02.1 | Zoster meningitis |
| B02.2 | Zoster with other nervous system involvement |
| B02.21 | Postherpetic geniculate ganglionitis |
| B02.22 | Postherpetic trigeminal neuralgia |
| B02.23 | Postherpetic polyneuropathy |
| B02.24 | Postherpetic myelitis |
| B02.29 | Other postherpetic nervous system involvement |
| B02.3 | Zoster ocular disease |
| B02.30 | Zoster ocular disease, unspecified |
| B02.31 | Zoster conjunctivitis |
| B02.32 | Zoster iridocyclitis |
| B02.33 | Zoster keratitis |
| B02.34 | Zoster scleritis |
| B02.39 | Other herpes zoster eye disease |
| B02.7 | Disseminated zoster |
| B02.8 | Zoster with other complications |
| B02.9 | Zoster without complications |
| B03 | Smallpox |
| B04 | Monkeypox |
| B05 | Measles |
| B05.0 | Measles complicated by encephalitis |
| B05.1 | Measles complicated by meningitis |
| B05.2 | Measles complicated by pneumonia |
| B05.3 | Measles complicated by otitis media |
| B05.4 | Measles with intestinal complications |
| B05.8 | Measles with other complications |
| B05.81 | Measles keratitis and keratoconjunctivitis |
| B05.89 | Other measles complications |
| B05.9 | Measles without complication |
| B06 | Rubella [German measles] |
| B06.0 | Rubella with neurological complications |
| B06.00 | Rubella with neurological complication, unspecified |
| B06.01 | Rubella encephalitis |
| B06.02 | Rubella meningitis |
| B06.09 | Other neurological complications of rubella |
| B06.8 | Rubella with other complications |
| B06.81 | Rubella pneumonia |
| B06.82 | Rubella arthritis |
| B06.89 | Other rubella complications |
| B06.9 | Rubella without complication |
| B07 | Viral warts |
| B07.0 | Plantar wart |
| B07.8 | Other viral warts |
| B07.9 | Viral wart, unspecified |
| B08 | Other viral infections characterized by skin and mucous membrane lesions, not elsewhere classified |
| B08.0 | Other orthopoxvirus infections |
| B08.01 | Cowpox and vaccinia not from vaccine |
| B08.010 | Cowpox |
| B08.011 | Vaccinia not from vaccine |
| B08.02 | Orf virus disease |
| B08.03 | Pseudocowpox [milker's node] |
| B08.04 | Paravaccinia, unspecified |
| B08.09 | Other orthopoxvirus infections |
| B08.1 | Molluscum contagiosum |
| B08.2 | Exanthema subitum [sixth disease] |
| B08.20 | Exanthema subitum [sixth disease], unspecified |
| B08.21 | Exanthema subitum [sixth disease] due to human herpesvirus 6 |
| B08.22 | Exanthema subitum [sixth disease] due to human herpesvirus 7 |
| B08.3 | Erythema infectiosum [fifth disease] |
| B08.4 | Enteroviral vesicular stomatitis with exanthem |
| B08.5 | Enteroviral vesicular pharyngitis |
| B08.6 | Parapoxvirus infections |
| B08.60 | Parapoxvirus infection, unspecified |
| B08.61 | Bovine stomatitis |
| B08.62 | Sealpox |
| B08.69 | Other parapoxvirus infections |
| B08.7 | Yatapoxvirus infections |
| B08.70 | Yatapoxvirus infection, unspecified |
| B08.71 | Tanapox virus disease |
| B08.72 | Yaba pox virus disease |
| B08.79 | Other yatapoxvirus infections |
| B08.8 | Other specified viral infections characterized by skin and mucous membrane lesions |
| B09 | Unspecified viral infection characterized by skin and mucous membrane lesions |