B97.4

Billable
ChapterA00–B99
Ranksubcategory
Official Description

Respiratory syncytial virus as the cause of diseases classified elsewhere

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

Instructional Notes

Includes
  • RSV as the cause of diseases classified elsewhere
Excludes1(Not coded here)
  • acute bronchiolitis due to respiratory syncytial virus (RSV) (J21.0)
  • acute bronchitis due to respiratory syncytial virus (RSV) (J20.5)
  • respiratory syncytial virus (RSV) pneumonia (J12.1)
Code First
  • related disorders, such as:
  • otitis media (H65.-)
  • upper respiratory infection (J06.9)
General instructions are available for the parent sections:
View CH1 Notes

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
B95-B97Bacterial and viral infectious agents (B95-B97)
B97Viral agents as the cause of diseases classified elsewhere
B97.4Respiratory syncytial virus as the cause of diseases classified elsewhere

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B97.4:

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

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to B97.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

3 raw paths
Infection, infected, infective (opportunistic)1 unique routes
virus, viral NOS
respiratory syncytial (RSV)
as cause of disease classified elsewhere→B97.4
Respiratory1 unique routes
syncytial virus, as cause of disease classified elsewhere→B97.4
Virus, viral1 unique routes
respiratory syncytial (RSV)
as cause of disease classified elsewhere→B97.4

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 791
Prematurity with Major Problems
DRG 793
Full Term Neonate with Major Problems
DRG 865
Viral Illness with MCC
DRG 866
Viral Illness without MCC

Cross Reference

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