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Home/Diagnosis/ICD-10 Coding for Bronchiolitis

ICD-10 Coding for Bronchiolitis

J21.0
J21.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for bronchiolitis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Acute Bronchiolitis
Viral Bronchiolitis
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Key Information: ICD-10 Coding for Bronchiolitis

Essential facts and insights about ICD-10 Coding for Bronchiolitis

Use ICD-10 code J21.0 for acute bronchiolitis due to respiratory syncytial virus, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute bronchiolitis due to respiratory syncytial virus

Billable Code
J21.0
Billable

Diagnostic Criteria

clinical:
  • • RSV confirmed by PCR test
documentation:
  • • Documented symptoms of acute bronchiolitis

Applicable To

  • • RSV bronchiolitis

Important Notes

  • • Ensure RSV is confirmed through lab testing before using J21.0.

Acute bronchiolitis, unspecified

Billable Code
J21.9
Billable

Diagnostic Criteria

clinical:
  • • Symptoms of bronchiolitis without identified virus

Applicable To

  • • Viral bronchiolitis without specified virus

Important Notes

  • • Use when no specific viral cause is identified.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z77.22

Contact with and (suspected) exposure to environmental tobacco smoke

Use when there is documented exposure to tobacco smoke.

Z20.822

Contact with and (suspected) exposure to COVID-19

Use if there is documented exposure to COVID-19.

Frequently Asked Questions

What is the ICD-10 code for RSV bronchiolitis?

The ICD-10 code for RSV bronchiolitis is J21.0, used when RSV is confirmed as the causative agent.

How do you code unspecified bronchiolitis?

Use ICD-10 code J21.9 for unspecified bronchiolitis when the specific viral cause is not identified.

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