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B04 Monkeypox

ICD-10-CM category B04 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 1 billable code 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.

The category code B04 itself is billable for FY2027: no more specific code exists under it.

Billable codes in B04

CodeDescription
B04Monkeypox

Search within ICD-10-CM for B04 and related codes

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