ICD-10 · PDGM grouping
J43 Emphysema
All 5 codes in the J43 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
5
Can lead a claim
5
Cannot lead a claim
0
What CMS assigns to J43
All 5 codes group to MMTA - Respiratory. All 5 count toward the Bronchitis, Emphysema, and Interstitial Lung Disease comorbidity subgroup. Every code can lead a claim.
- Bronchitis, Emphysema, and Interstitial Lung Disease: counts toward the high comorbidity tier only in an interaction pair.
Every code in J43
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| J43.0 | Unilateral pulmonary emphysema [MacLeod's syndrome] | Can lead a claim | L | Bronchitis, Emphysema, and Interstitial Lung Disease |
| J43.1 | Panlobular emphysema | Can lead a claim | L | Bronchitis, Emphysema, and Interstitial Lung Disease |
| J43.2 | Centrilobular emphysema | Can lead a claim | L | Bronchitis, Emphysema, and Interstitial Lung Disease |
| J43.8 | Other emphysema | Can lead a claim | L | Bronchitis, Emphysema, and Interstitial Lung Disease |
| J43.9 | Emphysema, unspecified | Can lead a claim | L | Bronchitis, Emphysema, and Interstitial Lung Disease |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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