J43

Non-Billable

ChapterJ00–J99

Rankcategory

Official Description

Emphysema

Use a more specific code (5 billable)

J43.0Unilateral pulmonary emphysema [MacLeod's syndrome]J43.1Panlobular emphysema J43.2Centrilobular emphysema J43.8Other emphysema J43.9Emphysema, unspecified

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 10: Diseases of the Respiratory System (J00-J99).

CH10 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
smoke inhalation (T59.81-)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Use Additional Code

code, where applicable, to identify:
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

J40-J4A Parent Instructions

Excludes1(Not coded here. Use a different code.)

bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Excludes2(Not included here. Code separately if applicable.)

cystic fibrosis (E84.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

compensatory emphysema (J98.3)
interstitial emphysema (J98.2)
mediastinal emphysema (J98.2)
neonatal interstitial emphysema (P25.0)
surgical (subcutaneous) emphysema (T81.82)

Excludes2(Not included here. Code separately if applicable.)

emphysema due to inhalation of chemicals, gases, fumes or vapors (J68.4)
emphysema with chronic (obstructive) bronchitis (J44.-)
emphysematous (obstructive) bronchitis (J44.-)
traumatic subcutaneous emphysema (T79.7)

Clinical Hierarchy

BillableHas subcodes

CH10Diseases of the respiratory system (J00-J99)

J40-J4AChronic lower respiratory diseases (J40-J4A)

J43EmphysemaNot billable

J43.0Unilateral pulmonary emphysema [MacLeod's syndrome]Billable

J43.1Panlobular emphysemaBillable

J43.2Centrilobular emphysemaBillable

J43.8Other emphysemaBillable

J43.9Emphysema, unspecifiedBillable

Applicable Ancestor Context

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

blockJ40-J4A

Chronic lower respiratory diseases (J40-J4A)

View context instructions

chapterCH10

Diseases of the respiratory system (J00-J99)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Emphysema.

Search PCS Codes