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A44 Bartonellosis

ICD-10-CM category A44 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 4 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 A44

CodeDescription
A44.0Systemic bartonellosis
A44.1Cutaneous and mucocutaneous bartonellosis
A44.8Other forms of bartonellosis
A44.9Bartonellosis, unspecified

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