J45.4
⚠ Non-billable
Moderate persistent asthma
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J45.4
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Respiratory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code J45.4?
ICD-10-CM code J45.4 represents Moderate persistent asthma. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J45.4 billable?
No. J45.4 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is J45.4 in?
J45.4 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J45 category
J45
Asthma
Non-billable
J45.2
Mild intermittent asthma
Non-billable
J45.3
Mild persistent asthma
Non-billable
J45.5
Severe persistent asthma
Non-billable
J45.9
Other and unspecified asthma
Non-billable
J45.20
Mild intermittent asthma, uncomplicated
Billable
J45.21
Mild intermittent asthma with (acute) exacerbation
Billable
J45.22
Mild intermittent asthma with status asthmaticus
Billable
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