J34.821 – External nasal valve collapse

ICD-10-CM 2027 diagnosis code · Other diseases of upper respiratory tract

Non-billable header

ICD-10-CM code J34.821

Code: J34.821 (claims format: J34821)
Description: External nasal valve collapse
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 10. Diseases of the respiratory system (J00-J99)
Block: J30-J39 Other diseases of upper respiratory tract
Parent codes: J34 › J34.8 › J34.82

Billable codes under J34.821

J34.821 is a header code and cannot be used on claims. Choose the most specific code:

J34.8210 – External nasal valve collapse, unspecifiedBillable
J34.8211 – External nasal valve collapse, staticBillable
J34.8212 – External nasal valve collapse, dynamicBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

J34 – Other and unspecified disorders of nose and nasal sinuses

Excludes2 (not included here):

varicose ulcer of nasal septum (I86.8)

J34.82 – Nasal valve collapse

Applicable to:

Nasal valve compromise
Nasal valve stenosis

Code first:

underlying cause, such as:
deviated nasal septum (J34.2)

Related codes in J34.82

Frequently asked questions

What is ICD-10 code J34.821?

J34.821 is the ICD-10-CM code for external nasal valve collapse, in the block J30-J39 (Other diseases of upper respiratory tract).

Is J34.821 a billable code?

No. J34.821 is a header code with more specific child codes; report one of the billable codes listed above.

What category does J34.821 belong to?

It belongs to category J34 – Other and unspecified disorders of nose and nasal sinuses.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.