ICD-10-CM category
J45: Asthma
Codes under J45 (Asthma). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| J45.2 | Mild intermittent asthma | — |
| J45.3 | Mild persistent asthma | — |
| J45.4 | Moderate persistent asthma | — |
| J45.5 | Severe persistent asthma | — |
| J45.9 | Other and unspecified asthma | — |
| J45.20 | Mild intermittent asthma, uncomplicated | ✓ |
| J45.21 | Mild intermittent asthma with (acute) exacerbation | ✓ |
| J45.22 | Mild intermittent asthma with status asthmaticus | ✓ |
| J45.30 | Mild persistent asthma, uncomplicated | ✓ |
| J45.31 | Mild persistent asthma with (acute) exacerbation | ✓ |
| J45.32 | Mild persistent asthma with status asthmaticus | ✓ |
| J45.40 | Moderate persistent asthma, uncomplicated | ✓ |
| J45.41 | Moderate persistent asthma with (acute) exacerbation | ✓ |
| J45.42 | Moderate persistent asthma with status asthmaticus | ✓ |
| J45.50 | Severe persistent asthma, uncomplicated | ✓ |
| J45.51 | Severe persistent asthma with (acute) exacerbation | ✓ |
| J45.52 | Severe persistent asthma with status asthmaticus | ✓ |
| J45.90 | Unspecified asthma | — |
| J45.99 | Other asthma | — |
| J45.901 | Unspecified asthma with (acute) exacerbation | ✓ |
| J45.902 | Unspecified asthma with status asthmaticus | ✓ |
| J45.909 | Unspecified asthma, uncomplicated | ✓ |
| J45.990 | Exercise induced bronchospasm | ✓ |
| J45.991 | Cough variant asthma | ✓ |
| J45.998 | Other asthma | ✓ |
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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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