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A01 Typhoid and paratyphoid fevers

ICD-10-CM category A01 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 11 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.

Subcategories

A01.0 Typhoid fever

Billable codes in A01

CodeDescription
A01.00Typhoid fever, unspecified
A01.01Typhoid meningitis
A01.02Typhoid fever with heart involvement
A01.03Typhoid pneumonia
A01.04Typhoid arthritis
A01.05Typhoid osteomyelitis
A01.09Typhoid fever with other complications
A01.1Paratyphoid fever A
A01.2Paratyphoid fever B
A01.3Paratyphoid fever C
A01.4Paratyphoid fever, unspecified

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