J66: Airway disease due to specific organic dust
Codes under J66 (Airway disease due to specific organic dust). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| J66.0 | Byssinosis | ✓ |
| J66.0 | Byssinosis | ✓ |
| J66.1 | Flax-dressers' disease | ✓ |
| J66.1 | Flax-dressers' disease | ✓ |
| J66.2 | Cannabinosis | ✓ |
| J66.2 | Cannabinosis | ✓ |
| J66.8 | Airway disease due to other specific organic dusts | ✓ |
| J66.8 | Airway disease due to other specific organic dusts | ✓ |
Frequently asked questions
What is ICD-10-CM code J66?
J66 is an ICD-10-CM category covering Airway disease due to specific organic dust. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is J66 a billable code?
No — J66 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example J66.0 — Byssinosis). 8 of the 8 codes under J66 are billable.
What codes fall under J66?
J66 includes J66.0, J66.0, J66.1, J66.1, J66.2, plus 3 more. See the full list with descriptions and billable status above.
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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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