ICD10BillableValid for clinical use
ICD-10 Code B97.4: Respiratory syncytial virus as the cause of diseases classified elsewhere
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).
When is it used?
- May be used when a clinician documents respiratory syncytial virus as the cause of diseases classified elsewhere in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
1Certain infectious and parasitic diseases (A00-B99)
block
B95-B97Bacterial and viral infectious agents
category
B97Viral agents as the cause of diseases classified elsewhere
currentB97
Official coding notes
Inclusion terms
- RSV as the cause of diseases classified elsewhere
Applicable to
- related disorders, such as:
- otitis media (H65.-)
- upper respiratory infection (J06.9)
Excludes1 (do not code together)
- 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)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Infectious Disease SpecialistGeneral PhysicianPulmonologist
Related codes
B97.0Adenovirus as the cause of diseases classified elsewherecodeB97.1Enterovirus as the cause of diseases classified elsewherecategoryB97.2Coronavirus as the cause of diseases classified elsewherecategoryB97.3Retrovirus as the cause of diseases classified elsewherecategoryB97.5Reovirus as the cause of diseases classified elsewherecodeB97.6Parvovirus as the cause of diseases classified elsewherecodeB97.7Papillomavirus as the cause of diseases classified elsewherecodeB97.8Other viral agents as the cause of diseases classified elsewherecategory
Sibling codes
B97.0Adenovirus as the cause of diseases classified elsewherebillableB97.1Enterovirus as the cause of diseases classified elsewhereB97.2Coronavirus as the cause of diseases classified elsewhereB97.3Retrovirus as the cause of diseases classified elsewhereB97.5Reovirus as the cause of diseases classified elsewherebillableB97.6Parvovirus as the cause of diseases classified elsewherebillableB97.7Papillomavirus as the cause of diseases classified elsewherebillableB97.8Other viral agents as the cause of diseases classified elsewhere
Coverage-related procedures and services
CPT 96366high
INTRAVENOUS INFUSION, FOR THERAPY, PROPHYLAXIS, OR DIAGNOSIS (SPECIFY SUBSTANCE OR DRUG); EACH ADDITIONAL HOUR (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 96365high
INTRAVENOUS INFUSION, FOR THERAPY, PROPHYLAXIS, OR DIAGNOSIS (SPECIFY SUBSTANCE OR DRUG); INITIAL, UP TO 1 HOUR
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 408684006high
Healthcare associated respiratory syncytial virus disease
Source: SNOMED International ICD-10 map
SNOMED_CT 195739001high
Acute bronchiolitis caused by respiratory syncytial virus
Source: SNOMED International ICD-10 map
SNOMED_CT 587751151000119107high
Acute lower respiratory infection caused by respiratory syncytial virus
Source: SNOMED International ICD-10 map
SNOMED_CT 602893011000119101high
Acute nasopharyngitis caused by respiratory syncytial virus
Source: SNOMED International ICD-10 map
SNOMED_CT 195727009high
Acute respiratory syncytial virus bronchitis
Source: SNOMED International ICD-10 map
SNOMED_CT 903729901000119103high
Acute upper respiratory infection caused by respiratory syncytial virus
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
B97.4
Common synonyms
Respiratory syncytial virus as the cause of diseases classified elsewhere
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.