J43.9

Billable
ChapterJ00–J99
Ranksubcategory
Official Description

Emphysema, unspecified

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
  • Bullous emphysema (lung)(pulmonary)
  • Emphysema (lung)(pulmonary) NOS
  • Emphysematous bleb
  • Vesicular emphysema (lung)(pulmonary)
General instructions are available for the parent sections:
View CH10 NotesView J40-J4A NotesView J43 Notes

Clinical Hierarchy

CH10Diseases of the respiratory system (J00-J99)
J40-J4AChronic lower respiratory diseases (J40-J4A)
J43Emphysema
J43.9Emphysema, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to J43.9:

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 J43.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths
Bleb (s)3 unique routes
emphysematous (lung) (solitary)→J43.9
lung (ruptured)→J43.9
subpleural (emphysematous)→J43.9
Bulla (e)1 unique routes
lung (emphysematous) (solitary)→J43.9
Cyst (colloid) (mucous) (simple) (retention)1 unique routes
lung
giant bullous→J43.9
Disease, diseased1 unique routes
lung
obstructive (chronic)
with
emphysema→J43.9
Emphysema (atrophic) (bullous) (chronic) (interlobular) (lung) (obstructive) (pulmonary) (senile) (vesicular)1 unique routes
Direct index entry→J43.9
Obstruction, obstructed, obstructive1 unique routes
airway
with
emphysema→J43.9

MS-DRG Classification

2026 v43.1

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

DRG 190
Chronic Obstructive Pulmonary Disease with MCC
DRG 191
Chronic Obstructive Pulmonary Disease with CC
DRG 192
Chronic Obstructive Pulmonary Disease without CC/MCC

Cross Reference

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