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B74 Filariasis

ICD-10-CM category B74 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.

Billable codes in B74

CodeDescription
B74.0Filariasis due to Wuchereria bancrofti
B74.1Filariasis due to Brugia malayi
B74.2Filariasis due to Brugia timori
B74.3Loiasis
B74.4Mansonelliasis
B74.8Other filariases
B74.9Filariasis, unspecified

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