ICD-10-CM · Chapter 10 · J00–J99
J45.5
Severe persistent asthma
Diseases of the respiratory system
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- J45.5
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 10 — Diseases of the respiratory system
- Category
- J45 — Asthma
- Specificity
- 4 characters
How coders use this code
ICD-10-CM J45.5 is a category (header) for severe persistent asthma. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in J45
- J45Asthma
- J45.2Mild intermittent asthma
- J45.20Mild intermittent asthma, uncomplicated
- J45.21Mild intermittent asthma with (acute) exacerbation
- J45.22Mild intermittent asthma with status asthmaticus
- J45.3Mild persistent asthma
- J45.30Mild persistent asthma, uncomplicated
- J45.31Mild persistent asthma with (acute) exacerbation
- J45.32Mild persistent asthma with status asthmaticus
- J45.4Moderate persistent asthma
- J45.40Moderate persistent asthma, uncomplicated
- J45.41Moderate persistent asthma with (acute) exacerbation
- J45.42Moderate persistent asthma with status asthmaticus
- J45.50Severe persistent asthma, uncomplicated
- J45.51Severe persistent asthma with (acute) exacerbation
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