J45.90
Non-billableUnspecified asthma
J45.90 is the ICD-10-CM code for Unspecified asthma. It is a non-billable category code — use a more specific child code such as J45.901 for billing.
J00-J99 Diseases of the respiratory system
What this means — in plain language
MedlinePlus · NIHWhat is asthma? Asthma is a chronic (long-term) lung disease. It affects your airways, the tubes that carry air in and out of your lungs. When you have asthma, your airways can become inflamed and narrowed. This can cause wheezing, coughing , and tightness in your chest. When these symptoms get worse than usual, it is called an asthma attack or flare-up. What causes asthma? The exact cause of asthma is unknown.…
Read more about Asthma at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Asthmatic bronchitis NOS
- •Childhood asthma NOS
- •Late onset asthma
Medications indicated for this condition
FDA labeling- TriamcinoloneCorticosteroid [EPC]›
- PrednisoloneCorticosteroid [EPC]›
- Albuterol›
- Fluticasone›
- Hydroxyzine›
- Salmeterol›
- MontelukastLeukotriene Receptor Antagonist [EPC]›
- TheophyllineMethylxanthine [EPC]›
- Cromolyn›
- Isoproterenol›
- Levalbuterol›
- American house dust mite allergenic extractStandardized Insect Allergenic Extract [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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