J39.3: Upper respiratory tract hypersensitivity reaction, site unspecified
J39.3 is the billable ICD-10-CM diagnosis code for Upper respiratory tract hypersensitivity reaction, site unspecified. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code J39.3?
J39.3 is the ICD-10-CM diagnosis code for Upper respiratory tract hypersensitivity reaction, site unspecified. It belongs to category J39 (Other diseases of upper respiratory tract).
Is J39.3 a billable code?
Yes. J39.3 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does J39.3 belong to?
J39.3 is part of ICD-10-CM category J39 — Other diseases of upper respiratory tract, which has 12 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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