Is J45 a billable code?
No. J45 is a header code that groups 18 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
J45: Asthma
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
J45 groups related diagnoses under asthma. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under J45
- J45.20Mild intermittent asthma, uncomplicated
- J45.21Mild intermittent asthma with (acute) exacerbation
- J45.22Mild intermittent asthma with status asthmaticus
- J45.30Mild persistent asthma, uncomplicated
- J45.31Mild persistent asthma with (acute) exacerbation
- J45.32Mild persistent asthma with status asthmaticus
- 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
- J45.52Severe persistent asthma with status asthmaticus
- J45.901Unspecified asthma with (acute) exacerbation
- J45.902Unspecified asthma with status asthmaticus
- J45.909Unspecified asthma, uncomplicated
- J45.990Exercise induced bronchospasm
- J45.991Cough variant asthma
- J45.998Other asthma
J45 questions
What does J45 mean?
J45 is the ICD-10-CM code for Asthma. It is in chapter 10, Diseases of the respiratory system (J00-J99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.