ICD-10 · PDGM grouping
J68 Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors
All 7 codes in the J68 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
7
Can lead a claim
0
Cannot lead a claim
7
What CMS assigns to J68
None of the 7 codes is assigned a clinical group. None of the 7 is assigned a comorbidity subgroup. None can lead a claim. CMS attaches a code-first note to all 7.
Code first
CMS grouper convention 8, on all 7 codes. Code first:
- , if applicable, toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Every code in J68
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 |
|---|---|---|---|---|
| J68.0 | Bronchitis and pneumonitis due to chemicals, gases, fumes and vaporsCMS: Bronchitis & pneumonitis d/t chemicals, gas, fumes & vapors | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| J68.1 | Pulmonary edema due to chemicals, gases, fumes and vapors | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| J68.2 | Upper respiratory inflammation due to chemicals, gases, fumes and vapors, not elsewhere classifiedCMS: Upper resp inflam d/t chemicals, gas, fumes and vapors, NEC | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| J68.3 | Other acute and subacute respiratory conditions due to chemicals, gases, fumes and vaporsCMS: Oth ac & subac resp cond d/t chemicals, gas, fumes & vapors | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| J68.4 | Chronic respiratory conditions due to chemicals, gases, fumes and vaporsCMS: Chronic resp cond due to chemicals, gases, fumes and vapors | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| J68.8 | Other respiratory conditions due to chemicals, gases, fumes and vaporsCMS: Oth resp cond due to chemicals, gases, fumes and vapors | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| J68.9 | Unspecified respiratory condition due to chemicals, gases, fumes and vaporsCMS: Unsp resp cond due to chemicals, gases, fumes and vapors | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
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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