B25-B34
Other viral diseases
Codes in this block
67 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- B25Cytomegaloviral diseaseNon-billable
- B25.0Cytomegaloviral pneumonitisBillable
- B25.1Cytomegaloviral hepatitisBillable
- B25.2Cytomegaloviral pancreatitisBillable
- B25.8Other cytomegaloviral diseasesBillable
- B25.9Cytomegaloviral disease, unspecifiedBillable
- B26MumpsNon-billable
- B26.0Mumps orchitisBillable
- B26.1Mumps meningitisBillable
- B26.2Mumps encephalitisBillable
- B26.3Mumps pancreatitisBillable
- B26.8Mumps with other complicationsNon-billable
- B26.81Mumps hepatitisBillable
- B26.82Mumps myocarditisBillable
- B26.83Mumps nephritisBillable
- B26.84Mumps polyneuropathyBillable
- B26.85Mumps arthritisBillable
- B26.89Other mumps complicationsBillable
- B26.9Mumps without complicationBillable
- B27Infectious mononucleosisNon-billable
- B27.0Gammaherpesviral mononucleosisNon-billable
- B27.00Gammaherpesviral mononucleosis without complicationBillable
- B27.01Gammaherpesviral mononucleosis with polyneuropathyBillable
- B27.02Gammaherpesviral mononucleosis with meningitisBillable
- B27.09Gammaherpesviral mononucleosis with other complicationsBillable
- B27.1Cytomegaloviral mononucleosisNon-billable
- B27.10Cytomegaloviral mononucleosis without complicationsBillable
- B27.11Cytomegaloviral mononucleosis with polyneuropathyBillable
- B27.12Cytomegaloviral mononucleosis with meningitisBillable
- B27.19Cytomegaloviral mononucleosis with other complicationBillable
- B27.8Other infectious mononucleosisNon-billable
- B27.80Other infectious mononucleosis without complicationBillable
- B27.81Other infectious mononucleosis with polyneuropathyBillable
- B27.82Other infectious mononucleosis with meningitisBillable
- B27.89Other infectious mononucleosis with other complicationBillable
- B27.9Infectious mononucleosis, unspecifiedNon-billable
- B27.90Infectious mononucleosis, unspecified without complicationBillable
- B27.91Infectious mononucleosis, unspecified with polyneuropathyBillable
- B27.92Infectious mononucleosis, unspecified with meningitisBillable
- B27.99Infectious mononucleosis, unspecified with other complicationBillable
- B30Viral conjunctivitisNon-billable
- B30.0Keratoconjunctivitis due to adenovirusBillable
- B30.1Conjunctivitis due to adenovirusBillable
- B30.2Viral pharyngoconjunctivitisBillable
- B30.3Acute epidemic hemorrhagic conjunctivitis (enteroviral)Billable
- B30.8Other viral conjunctivitisBillable
- B30.9Viral conjunctivitis, unspecifiedBillable
- B33Other viral diseases, not elsewhere classifiedNon-billable
- B33.0Epidemic myalgiaBillable
- B33.1Ross River diseaseBillable
- B33.2Viral carditisNon-billable
- B33.20Viral carditis, unspecifiedBillable
- B33.21Viral endocarditisBillable
- B33.22Viral myocarditisBillable
- B33.23Viral pericarditisBillable
- B33.24Viral cardiomyopathyBillable
- B33.3Retrovirus infections, not elsewhere classifiedBillable
- B33.4Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS]Billable
- B33.8Other specified viral diseasesBillable
- B34Viral infection of unspecified siteNon-billable
- 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
Official Guidelines for B25-B34
FY 2026 ›I.C.1Chapter-specific guidanceChapter 1: Certain Infectious and Parasitic Diseases (A00-B99), U07.1, U09.9
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