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B46 Zygomycosis

ICD-10-CM category B46 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 8 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.

Billable codes in B46

CodeDescription
B46.0Pulmonary mucormycosis
B46.1Rhinocerebral mucormycosis
B46.2Gastrointestinal mucormycosis
B46.3Cutaneous mucormycosis
B46.4Disseminated mucormycosis
B46.5Mucormycosis, unspecified
B46.8Other zygomycoses
B46.9Zygomycosis, unspecified

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