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J34.2

J34.2Deviated nasal septum

Billable / specific codeICD-10-CM

J34.2 is a billable, specific ICD-10-CM code for deviated nasal septum. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • congenital deviated nasal septum (Q67.4)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Deflection or deviation of septum (nasal) (acquired)

Risk adjustment

J34.2 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

J34.2 is named in 6 Medicare coverage policies 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
  • A56587Billing and Coding: Cosmetic and Reconstructive Surgery
  • A56658Billing and Coding: Cosmetic and Reconstructive Surgery
  • A58573Billing and Coding: Cosmetic and Reconstructive Surgery

How J34.2 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to J34.2.

  • Crooked septum, nasal
  • Deflectionseptum(acquired) (nasal) (nose)
  • Deflectionturbinate(nose)
  • Deformityseptum, nasal(acquired)
  • Deviationnasal septum
  • Deviationseptum(nasal) (acquired)
  • Dislocationseptum(nasal) (old)
  • Irregular, irregularityseptum(nasal)
  • Deformitynoseseptum(acquired)

Related codes at this level

Codes that share J34. If J34.2 is not quite right, the correct code is usually one of these.

Questions about J34.2

Is J34.2 a billable ICD-10-CM code?
Yes. J34.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does J34.2 sit in the tabular list?
Diseases of the respiratory system (J00-J99), in the block Other diseases of upper respiratory tract (J30-J39).
What cannot be coded together with J34.2?
J34.2 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.