Other viral diseases (B25-B34) ICD-10-CM
The B25–B34 section covers other viral diseases with 67 ICD-10-CM diagnosis codes, of which 55 are billable in fiscal year 2027. The section is organized into the 6 code ranges listed below.
Code Ranges in This Section 6 ranges · 67 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the B25–B34 Code Range
These viral diseases include mumps, infectious mononucleosis, inflammation of the eye’s lining, and infections affecting specific organs or an unspecified site.
B25 separates cytomegaloviral disease by affected organ, including the lungs, liver, and pancreas. B26 separates mumps with named complications from mumps without complications. B27 organizes infectious mononucleosis by the virus identified.
B30 separates viral inflammation of the eye’s lining by cause and named form. B33 groups other named viral diseases. B34 separates viral infections of an unspecified site by virus when identified.
Questions About This Page
How many codes are in the B25-B34 range?
The B25-B34 range contains 67 ICD-10-CM diagnosis codes in FY 2027. 55 of them are billable, and the rest are category headers that organize the section.
What conditions does B25-B34 cover?
The range covers other viral diseases. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
