J64 Unspecified pneumoconiosis

Billable

Block: Lung diseases due to external agents (J60-J70)

Excludes 1 (cannot be coded together)

  • pneumonoconiosis with tuberculosis, any type in A15 (J65)
This category is a complete, billable diagnosis code.

No additional specificity is required — submit J64 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026