J44.9 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Chronic obstructive pulmonary disease, unspecified.
Inclusion term
Chronic obstructive airway disease NOS
Chronic obstructive lung disease NOS
Type 2 excludes
Lung diseases due to external agents (J60-J70)
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
Code changed
Type 2 excludes
- lung diseases due to external agents (J60-J70)
2017
No changes
2016
New code