B97

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Viral agents as the cause of diseases classified elsewhere

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)
B95-B97Bacterial and viral infectious agents (B95-B97)
B97Viral agents as the cause of diseases classified elsewhereNot billable
B97.0Adenovirus as the cause of diseases classified elsewhereBillable
B97.1Enterovirus as the cause of diseases classified elsewhereSubcodes
B97.2Coronavirus as the cause of diseases classified elsewhereSubcodes
B97.3Retrovirus as the cause of diseases classified elsewhereSubcodes
B97.4Respiratory syncytial virus as the cause of diseases classified elsewhereBillable
B97.5Reovirus as the cause of diseases classified elsewhereBillable
B97.6Parvovirus as the cause of diseases classified elsewhereBillable
B97.7Papillomavirus as the cause of diseases classified elsewhereBillable
B97.8Other viral agents as the cause of diseases classified elsewhereSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B97:

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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