Emergency: 119
AMDA-IMIC

J40 Bronchitis, not specified as acute or chronic

Billable

Block: Chronic lower respiratory diseases (J40-J4B)

Includes

  • Bronchitis NOS
  • Bronchitis with tracheitis NOS
  • Catarrhal bronchitis
  • Tracheobronchitis NOS

Excludes 1 (cannot be coded together)

  • acute bronchitis (J20.-)
  • allergic bronchitis NOS (J45.909)
  • asthmatic bronchitis NOS (J45.9-)
  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Use Additional Code

  • code to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)
✓
This category is a complete, billable diagnosis code.

No additional specificity is required — submit J40 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026