J34.821
⚠ Non-billable (Header)External nasal valve collapse
Diseases of the respiratory system (J00-J99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
📋 Code Instructions
from J34.82- • Code first: underlying cause, such as:
- • Code first: deviated nasal septum (J34.2)
✅ No additional coding notes for J34.821
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Add J34.821 to the Excludes Checker to validate against your full code list.
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CodeJ34.821
BillableNo — Header code
ParentJ34.82
CategoryDiseases of the respiratory system (J00-J99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)