ICD-10-CM Section · B00-B09

Viral infections characterized by skin and mucous membrane lesions

103 codes in this section

103
Total Codes
82
Billable
21
Header (Non-Billable)
10
Top-Level Codes

About Section B00-B09

Section B00-B09 (B00-B09) covers viral infections characterized by skin and mucous membrane lesions. It sits within the Certain infectious and parasitic diseases chapter (A00-B99). This section contains 103 ICD-10-CM codes, 82 billable diagnoses you can submit on a claim, and 21 non-billable header codes used to organize the hierarchy.

Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.

Codes in B00-B09

Grouped by 3-character root code. Click any code for full detail.

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

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Verified against the CMS 2026 code set on May 31, 2026.

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