B34
Viral infection of unspecified site
Choose the additional character
B34 needs more characters to be billable. Pick the specific code below.
- B34.0Adenovirus infection, unspecifiedBillable
- B34.1Enterovirus infection, unspecifiedBillable
- B34.2Coronavirus infection, unspecifiedBillable
- B34.3Parvovirus infection, unspecifiedBillable
- B34.4Papovavirus infection, unspecifiedBillable
- B34.8Other viral infections of unspecified siteBillable
- B34.9Viral infection, unspecifiedBillable
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
anogenital human papillomavirus infection (A63.0) cytomegaloviral disease NOS (B25.9) herpesvirus [herpes simplex] infection NOS (B00.9) retrovirus infection NOS (B33.3) viral agents as the cause of diseases classified elsewhere (B97.-) viral warts due to human papillomavirus infection (B07)
diseases generally recognized as communicable or transmissible
certain localized infections - see body system-related chapters
carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)
code to identify resistance to antimicrobial drugs (Z16.-)
Official Guidelines for B34
FY 2026 ›Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections