B01 Varicella [chickenpox]
ICD-10-CM category B01 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 7 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
B01.1 Varicella encephalitis, myelitis and encephalomyelitisB01.8 Varicella with other complications
Billable codes in B01
| Code | Description |
|---|---|
B01.0 | Varicella meningitis |
B01.11 | Varicella encephalitis and encephalomyelitis |
B01.12 | Varicella myelitis |
B01.2 | Varicella pneumonia |
B01.81 | Varicella keratitis |
B01.89 | Other varicella complications |
B01.9 | Varicella without complication |
Search within ICD-10-CM for B01 and related codes
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