B99 Other and unspecified infectious diseases

ICD-10-CM category B99 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 2 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 B99

Search within ICD-10-CM for B99 and related codes