ICD-10 Code J98.09 – Other diseases of bronchus, not elsewhere classified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code J98.09 – Other diseases of bronchus, not elsewhere classified
What it is
This code identifies bronchial conditions that do not fit a more specific diagnosis. Use it when the bronchus is affected, but the record does not support a named disease or better-defined code.
Clinical signs
Clinical features vary; refer to documentation. Records may describe nonspecific bronchial abnormality, irritation, or structural disease without a more precise classification.
When to use this code
Use J98.09 when the provider documents an other or unspecified bronchial disorder and no more specific bronchial diagnosis is available. It may also apply when imaging or bronchoscopy shows bronchial disease that is not otherwise classified. Code only what is clearly documented.
Do not use for
Do not use this code when documentation supports a specific bronchial condition, such as acute bronchitis, chronic bronchitis, or bronchiectasis. If the record is unclear, check documentation rather than assuming this category.
Coding tip
Review the full pulmonary note for a more specific bronchial diagnosis before defaulting to J98.09.