ICD-10 J39.3
Billable / SpecificUpper respiratory tract hypersensitivity reaction, site unspecified
About ICD-10-CM J39.3
ICD-10-CM code J39.3 represents Upper respiratory tract hypersensitivity reaction, site unspecified. This is a billable/specific code in the Respiratory System chapter (block J39). The 2026 edition of ICD-10-CM J39.3 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with J39.3. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- hypersensitivity reaction of upper respiratory tract, such as:
- extrinsic allergic alveolitis (J67.9)
- pneumoconiosis (J60-J67.9)
Medicare LCD Coverage for J39.3
Local Coverage Determinations (LCDs) from CMS MACs that list J39.3 as a covered diagnosis.
Showing top 10 of 40 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J39.3.
3 Medicare
CPT Codes Commonly Billed with J39.3
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 J39.3 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 |
|---|---|---|
| J39.3 | 4788 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To J39.3
Other codes in section J30-J39 (Other diseases of upper respiratory tract).
ICD-10 J39.3, Billing FAQ
Is ICD-10 code J39.3 billable? +
Yes, J39.3 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for J39.3? +
Type 1 Excludes (never code together with J39.3): hypersensitivity reaction of upper respiratory tract, such as:; extrinsic allergic alveolitis (J67.9); pneumoconiosis (J60-J67.9)
What ICD-9 codes does J39.3 map to? +
Per CMS GEMs, J39.3 maps to ICD-9 codes: 4788. 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 May 31, 2026.
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