ICD-10 Code J39 – Other diseases of upper respiratory tract (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code J39 – Other diseases of upper respiratory tract
What it is
J39 covers disorders of the upper respiratory tract that do not fit a more specific ICD-10 category. Use it when the diagnosis is limited to the upper airway and the record supports a nonspecific or other specified condition.
Clinical signs
Clinical features vary; refer to documentation. Upper respiratory tract conditions may present with throat, nasal, or laryngeal symptoms, but you should code only what the provider documents.
When to use this code
Use J39 when the clinician documents an upper respiratory tract disease and no more specific code is available. It is appropriate for diagnoses recorded as “other” upper airway disorders, provided the chart does not identify a different, more exact condition.
If the note describes a named infection, inflammation, or structural problem with its own code, choose that code instead. Check documentation when the diagnosis is vague, incomplete, or mixed with lower respiratory findings.
Do not use for
Do not use J39 for clearly coded sinus, nasal, pharyngeal, laryngeal, or lower respiratory conditions. If the provider documents a specific disorder, code the specific diagnosis rather than this residual category.
Coding tip
Review the provider’s exact wording carefully; J39 is a fallback code, not a substitute for a more specific upper respiratory diagnosis.