ICD-10 J31.1
Billable / SpecificChronic nasopharyngitis
About ICD-10-CM J31.1
ICD-10-CM code J31.1 represents Chronic nasopharyngitis. This is a billable/specific code in the Respiratory System chapter (block J31). The 2026 edition of ICD-10-CM J31.1 became effective on October 1, 2025.
Type 2 Excludes
Not included here, the excluded code is not part of J31.1, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- acute nasopharyngitis (J00)
Medicare LCD Coverage for J31.1
Local Coverage Determinations (LCDs) from CMS MACs that list J31.1 as a covered diagnosis.
Showing top 10 of 130 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J31.1.
5 Medicare
CPT Codes Commonly Billed with J31.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert J31.1 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 |
|---|---|---|
| J31.1 | 4722 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To J31.1
Other codes in section J30-J39 (Other diseases of upper respiratory tract).
ICD-10 J31.1, Billing FAQ
Is ICD-10 code J31.1 billable? +
Yes, J31.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 2 Excludes for J31.1? +
Type 2 Excludes (may be coded together when both conditions exist): acute nasopharyngitis (J00)
What ICD-9 codes does J31.1 map to? +
Per CMS GEMs, J31.1 maps to ICD-9 codes: 4722. 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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