DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J66 Airway disease due to specific organic dust

  • Header · not billable

J66 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

Where it sits

  1. Chapter 10 Diseases of the respiratory system (J00-J99)
  2. J60-J70 Lung diseases due to external agents (J60-J70)
  3. J66 Airway disease due to specific organic dust
Billable codes
4
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
4
New FY2027
0
Index entries
10

Codes in J66

  1. J66.0
    Byssinosis
    Billable280
    Inclusion terms 1

    Inclusion terms

    • Airway disease due to cotton dust
  2. J66.1
    Flax-dressers' disease
    Billable280
  3. J66.2
    Cannabinosis
    Billable280
  4. J66.8
    Airway disease due to other specific organic dusts
    Billable280

Sources of each column.

Instructions

At J66

Excludes2

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

Notes that also apply

Block J60-J70 instructions (Excludes2 2): printed on the block page.

Chapter 10 instructions (Notes 1, Excludes2 9, Use additional code 7): printed on the chapter 10 page.

Index entries

  • Byssinosis → J66.0
  • Flax-dresser's disease → J66.1
  • Cannabinosis → J66.2
  • Pneumoconiosis (due to) (inhalation of)cotton dust → J66.0
  • Disease, diseasedflax-dresser's → J66.1
  • Pneumopathy NECdue to organic dust NEC → J66.8
  • Pneumoconiosis (due to) (inhalation of)dustorganic NEC → J66.8
  • Fibrosis, fibroticlung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial)withbyssinosis → J66.0
  • Disease, diseasedairwayobstructive, chronicdue tocotton dust → J66.0
  • Disease, diseasedairwayobstructive, chronicdue tospecific organic dusts NEC → J66.8

NCHS Alphabetic Index. Index first, then the Tabular List.

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