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J45.909

✓ Billable

Unspecified asthma, uncomplicated

Diseases of the respiratory system (J00-J99)

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Also Known As

Asthma NOS

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • lung diseases due to external agents (J60-J70)

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Code Information

CodeJ45.909
BillableYes
ParentJ45.90
CategoryDiseases of the respiratory system (J00-J99)
Excludes10 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)