All ICD10 Codes

B25-B34

Non-Billable
ChapterA00–B99
Rankblock
Official Description

Other viral diseases (B25-B34)

Use a more specific code (0 billable, 6 non-billable)
B25Cytomegaloviral diseasehas subcodesB26Mumpshas subcodesB27Infectious mononucleosishas subcodesB30Viral conjunctivitishas subcodesB33Other viral diseases, not elsewhere classifiedhas subcodesB34Viral infection of unspecified sitehas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • 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)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
B25-B34Other viral diseases (B25-B34)Not billable
B25Cytomegaloviral diseaseSubcodes
B26MumpsSubcodes
B27Infectious mononucleosisSubcodes
B30Viral conjunctivitisSubcodes
B33Other viral diseases, not elsewhere classifiedSubcodes
B34Viral infection of unspecified siteSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B25-B34:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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