ICD-10-CM > J00-J99 > J30-J39 > J34 > J34.8 > J34.82 > J34.821 J34.821 External nasal valve collapse Non-Billable/Non-Specific Codes J34.8210External nasal valve collapse, unspecifiedJ34.8211External nasal valve collapse, staticJ34.8212External nasal valve collapse, dynamic