J45.52
✓ BillableSevere persistent asthma with status asthmaticus
Diseases of the respiratory system (J00-J99)
✅ No additional coding notes for J45.52
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CodeJ45.52
BillableYes
ParentJ45.5
CategoryDiseases of the respiratory system (J00-J99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)