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J45.3

Non-billable

Mild persistent asthma

J45.3 is the ICD-10-CM code for Mild persistent asthma. It is a non-billable category code — use a more specific child code such as J45.30 for billing.

Status
Header (non-billable)
Chapter
J00-J99
Parent
J45
Subcodes
3
Edition
FY2026

J00-J99 Diseases of the respiratory system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code J45.3?
J45.3 is the ICD-10-CM code for "Mild persistent asthma". It falls under J00-J99 Diseases of the respiratory system.
Is J45.3 a billable code?
No — J45.3 is a non-billable header code. Use a more specific child code (such as J45.30) for billing.
What are the subcodes of J45.3?
J45.3 has 3 more specific child codes, including J45.30, J45.31, J45.32.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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