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B85 Pediculosis and phthiriasis

ICD-10-CM category B85 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 5 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 B85

CodeDescription
B85.0Pediculosis due to Pediculus humanus capitis
B85.1Pediculosis due to Pediculus humanus corporis
B85.2Pediculosis, unspecified
B85.3Phthiriasis
B85.4Mixed pediculosis and phthiriasis

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