J66.8 – Airway disease due to other specific organic dusts

ICD-10-CM 2027 diagnosis code · Lung diseases due to external agents

Billable code

ICD-10-CM code J66.8

Code: J66.8 (claims format: J668)
Description: Airway disease due to other specific organic dusts
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 10. Diseases of the respiratory system (J00-J99)
Block: J60-J70 Lung diseases due to external agents
Parent codes: J66

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

J66 – Airway disease due to specific organic dust

Excludes2 (not included here):

allergic alveolitis (J67.-)
asbestosis (J61)
bagassosis (J67.1)
farmer's lung (J67.0)
hypersensitivity pneumonitis due to organic dust (J67.-)
reactive airways dysfunction syndrome (J68.3)

Block J60-J70

Excludes2 (not included here):

asthma (J45.-)
malignant neoplasm of bronchus and lung (C34.-)

Index terms for J66.8

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in J66

Frequently asked questions

What is ICD-10 code J66.8?

J66.8 is the ICD-10-CM code for airway disease due to other specific organic dusts, in the block J60-J70 (Lung diseases due to external agents).

Is J66.8 a billable code?

Yes. J66.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J66.8 belong to?

It belongs to category J66 – Airway disease due to specific organic dust.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.