All ICD10 Codes

J45.50

Billable
ChapterJ00–J99
Ranksubcategory
Official Description

Severe persistent asthma, uncomplicated

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 10: Diseases of the Respiratory System (J00-J99).

Instructional Notes

Includes
  • Severe persistent asthma NOS
General instructions are available for the parent sections:
View CH10 NotesView J40-J4A NotesView J45 Notes

Clinical Hierarchy

CH10Diseases of the respiratory system (J00-J99)
J40-J4AChronic lower respiratory diseases (J40-J4A)
J45Asthma
J45.5Severe persistent asthma
J45.50Severe persistent asthma, uncomplicated

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to J45.50:

blockJ40-J4A
Chronic lower respiratory diseases (J40-J4A)
View context instructions
chapterCH10
Diseases of the respiratory system (J00-J99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to J45.50. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Asthma, asthmatic (bronchial) (catarrh) (spasmodic)2 unique routes
persistent
severe→J45.50
severe persistent→J45.50

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 202
Bronchitis and Asthma with CC/MCC
DRG 203
Bronchitis and Asthma without CC/MCC

Cross Reference

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