ICD-10 J32.1
Billable / SpecificChronic frontal sinusitis
About ICD-10-CM J32.1
ICD-10-CM code J32.1 represents Chronic frontal sinusitis. This is a billable/specific code in the Respiratory System chapter (block J32). The 2026 edition of ICD-10-CM J32.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under J32.1. Per CMS ICD-10-CM Tabular 2026.
- Frontal sinusitis NOS
Medicare LCD Coverage for J32.1
Local Coverage Determinations (LCDs) from CMS MACs that list J32.1 as a covered diagnosis.
Showing top 10 of 552 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J32.1.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with J32.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 95070 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95052 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95065 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95027 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95018 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 82785 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95017 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95079 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 0178U CMS LCD: Billing and Coding: Allergy Testing CMS LCD
- 95028 CMS LCD: Billing and Coding: Allergy Testing CMS LCD
Convert J32.1 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 |
|---|---|---|
| J32.1 | 4731 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To J32.1
Other codes in section J30-J39 (Other diseases of upper respiratory tract).
ICD-10 J32.1, Billing FAQ
Is ICD-10 code J32.1 billable? +
Yes, J32.1 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 J32.1? +
ICD-10 J32.1 includes: Frontal sinusitis NOS.
What CPT codes are commonly billed with J32.1? +
Procedures frequently paired with J32.1 include: 95070, 95052, 95065, 95027, 95018.
What ICD-9 codes does J32.1 map to? +
Per CMS GEMs, J32.1 maps to ICD-9 codes: 4731. 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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