ICD-10-CM category J44
Other chronic obstructive pulmonary disease: every J44 code with its CMS-HCC V28 status
J44, Other chronic obstructive pulmonary disease, holds 7 codes in the FY2026 ICD-10-CM set: 5 billable codes and 2 header codes that need a further character. Every one of them maps to a CMS-HCC V28 payment category (HCC 280) for payment year 2026.
CMS-HCC V28 categories in J44 (1)
Coefficients are the code-level reference values from the CMS V28 factor file (community, non-dual, aged), not a member's score. Hierarchy, interactions, and enrollment segment decide what a documented condition contributes.
All 7 J44 codes (FY2026)
Descriptors are the FY2026 order-file text. Header codes need a further character and cannot be reported; open any billable code for its tabular notes, MEAT guidance, and mapping detail.
| Code | Description | FY2026 | CMS-HCC V28 |
|---|---|---|---|
| J44 | Other chronic obstructive pulmonary disease | Header | Header code, not reportable |
| J44.0 | Chronic obstructive pulmonary disease with (acute) lower respiratory infection | Billable | HCC 280 |
| J44.1 | Chronic obstructive pulmonary disease with (acute) exacerbation | Billable | HCC 280 |
| J44.8 | Other specified chronic obstructive pulmonary disease | Header | Header code, not reportable |
| J44.81 | Bronchiolitis obliterans and bronchiolitis obliterans syndrome | Billable | HCC 280 |
| J44.89 | Other specified chronic obstructive pulmonary disease | Billable | HCC 280 |
| J44.9 | Chronic obstructive pulmonary disease, unspecified | Billable | HCC 280 |
Documentation guides for J44
Frequently asked questions
How many J44 codes are there?
The J44 category (Other chronic obstructive pulmonary disease) has 7 codes in the FY2026 ICD-10-CM order file: 5 billable and 2 header codes, counting the category itself. Only a billable code can be reported on a claim.
Which J44 codes map to an HCC under CMS-HCC V28?
5 billable codes in J44 map to HCC 280 in the CMS-HCC V28 model for payment year 2026. HCC 280 (Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders) carries the most, with 5 codes.
Which J44 codes are not billable?
J44 itself and 1 subcategory code are header codes that need a further character before they can be reported: J44.8 (Other specified chronic obstructive pulmonary disease). Each one is listed in the table with the billable codes beneath it.
Source: FY2026 ICD-10-CM order file (FY 2026 Apr update) for codes, billability, and descriptors; CMS-HCC V28 PY2026 final ICD-10-CM mappings and relative factors for payment status. Table generated 2026-09-10.