ICD-10 J34.2
Billable / SpecificDeviated nasal septum
About ICD-10-CM J34.2
ICD-10-CM code J34.2 represents Deviated nasal septum. This is a billable/specific code in the Respiratory System chapter (block J34). The 2026 edition of ICD-10-CM J34.2 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under J34.2. Per CMS ICD-10-CM Tabular 2026.
- Deflection or deviation of septum (nasal) (acquired)
Type 1 Excludes
Pure excludes, these codes can never be coded together with J34.2. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- congenital deviated nasal septum (Q67.4)
Medicare LCD Coverage for J34.2
Local Coverage Determinations (LCDs) from CMS MACs that list J34.2 as a covered diagnosis.
Showing top 10 of 353 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J34.2.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with J34.2
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 30520 Septoplasty — deviated septum, mouth breathing, nasal obstruction, sleep apnea ENT
Convert J34.2 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| J34.2 | 470 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To J34.2
Other codes in section J30-J39 (Other diseases of upper respiratory tract).
ICD-10 J34.2, Billing FAQ
Is ICD-10 code J34.2 billable? +
Yes, J34.2 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to J34.2? +
ICD-10 J34.2 includes: Deflection or deviation of septum (nasal) (acquired).
What codes are Type 1 Excludes for J34.2? +
Type 1 Excludes (never code together with J34.2): congenital deviated nasal septum (Q67.4)
What CPT codes are commonly billed with J34.2? +
Procedures frequently paired with J34.2 include: 30520.
What ICD-9 codes does J34.2 map to? +
Per CMS GEMs, J34.2 maps to ICD-9 codes: 470. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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