DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

J68 Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors

  • Header · not billable

J68 is not billable. The category heads 7 billable codes in FY2027: the 7 codes directly below it.

Index → code

  • Meat-wrappers' asthma → J68.9
  • Silo-fillers' disease → J68.8
  • Disease, diseasedsilo-filler's → J68.8

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. J68 Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors
Billable codes
7
Subdivisions
7
CC / MCC codes
1 / 1
HCC V28 codes
7
New FY2027
0
Index entries
50

Codes in J68

  1. J68.0
    Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors
    BillableCC280
    Inclusion terms 1

    Inclusion terms

    • Chemical bronchitis (acute)
  2. J68.1
    Pulmonary edema due to chemicals, gases, fumes and vapors
    BillableMCC280
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Chemical pulmonary edema (acute) (chronic)

    Excludes1

    • pulmonary edema (acute) (chronic) NOS (J81.-) J81
  3. J68.2
    Upper respiratory inflammation due to chemicals, gases, fumes and vapors, not elsewhere classified
    Billable280
  4. J68.3
    Other acute and subacute respiratory conditions due to chemicals, gases, fumes and vapors
    Billable280
    Inclusion terms 1

    Inclusion terms

    • Reactive airways dysfunction syndrome
  5. J68.4
    Chronic respiratory conditions due to chemicals, gases, fumes and vapors
    Billable280
    Excludes1 1, Code also 5

    Excludes1

    • chronic pulmonary edema due to chemicals, gases, fumes and vapors (J68.1) J68.1

    Code also

    • , if applicable, chronic conditions, such as:
    • chronic bronchitis (J42) J42
    • emphysema (J43.-) J43
    • obliterative bronchiolitis (J44.81) J44.81
    • pulmonary fibrosis (J84.10) J84.10
  6. J68.8
    Other respiratory conditions due to chemicals, gases, fumes and vapors
    Billable280
  7. J68.9
    Unspecified respiratory condition due to chemicals, gases, fumes and vapors
    Billable280

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At J68

Code first

  • (T51-T65) to identify cause T51 T65

Use additional code

  • code to identify associated respiratory conditions, such as:
  • acute respiratory failure (J96.0-) J96.0

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

  • Silo-fillers' disease → J68.8
  • Meat-wrappers' asthma → J68.9
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)chemical (acute) (subacute) → J68.0
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)due to gases, fumes or vapors (chemical) → J68.0
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)nitrogen dioxide → J68.0
  • Pneumonitis (acute) (primary)chemical (due to gases, fumes or vapors) (inhalation) → J68.0
  • Pneumonitis (acute) (primary)crack (cocaine) → J68.0
  • Silo-fillers' diseasebronchitis → J68.0
  • Silo-fillers' diseasepneumonitis → J68.0
  • Silo-fillers' diseasepulmonary edema → J68.1
  • Syndromereactive airways dysfunction → J68.3
  • Bronchiolitis (acute) (infective) (subacute)chemical (chronic) → J68.4
  • Disease, diseasedsilo-filler's → J68.8
  • Pneumoconiosis (due to) (inhalation of)fumes or vapors (from silo) → J68.9
  • Bronchiolitis (acute) (infective) (subacute)chemical (chronic)acute → J68.0
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)acute or subacute (with bronchospasm or obstruction)chemical (due to gases, fumes or vapors) → J68.0
  • Disease, diseasedsilo-filler'sbronchitis → J68.0
  • Disease, diseasedsilo-filler'spneumonitis → J68.0
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)in (due to)fumes and vapors (chemical) (inhalation) → J68.0
  • Pneumonitis (acute) (primary)due toberyllium → J68.0
  • Pneumonitis (acute) (primary)due tocadmium → J68.0
  • Pneumonitis (acute) (primary)due tocrack (cocaine) → J68.0
  • Pneumonitis (acute) (primary)due tofluorocarbon-polymer → J68.0
  • Pneumonitis (acute) (primary)due tofumes or vapors → J68.0
  • Pneumonitis (acute) (primary)due togases, fumes or vapors (inhalation) → J68.0
  • Pneumonitis (acute) (primary)due tomanganese → J68.0
  • Pneumonitis (acute) (primary)due tonitrogen dioxide → J68.0
  • Pneumonitis (acute) (primary)due tovanadium → J68.0
  • Disease, diseasedsilo-filler'spulmonary edema → J68.1
  • Edema, edematous (infectious) (pitting) (toxic)lungchemical (acute) → J68.1
  • Asthma, asthmatic (bronchial) (catarrh) (spasmodic)due toinhalation of fumes → J68.3
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)chemical (acute) (subacute)chronic → J68.4
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)chemical (acute) (subacute)due to fumes or vapors → J68.4
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)chronicchemical (due to fumes or vapors) → J68.4
  • Bronchitis (diffuse) (fibrinous) (hypostatic) (infective) (membranous)acute or subacute (with bronchospasm or obstruction)due tofumes or vapors → J68.0
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)broncho-, bronchial (confluent) (croupous) (diffuse) (disseminated) (hemorrhagic) (involving lobes) (lobar) (terminal)inhalationdue to fumes or vapors (chemical) → J68.0
  • Pneumonitis (acute) (primary)aspirationdue tofumes or gases → J68.0
  • Edema, edematous (infectious) (pitting) (toxic)lungchemical (acute)chronic → J68.1
  • Edema, edematous (infectious) (pitting) (toxic)lungdue tochemicals, fumes or vapors (inhalation) → J68.1
  • Inflammation, inflamed, inflammatory (with exudation)respiratory, upperdue tochemicals, gases, fumes or vapors (inhalation) → J68.2

10 more, longer entries are not listed; the search box finds them by word.

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

Hierarchy