J67.9 Hypersensitivity pneumonitis due to unspecified organic dust

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Allergic alveolitis (extrinsic) NOS
• Hypersensitivity pneumonitis NOS

Applies from J67 Hypersensitivity pneumonitis due to organic dust

Includes

• allergic alveolitis and pneumonitis due to inhaled organic dust and particles of fungal, actinomycetic or other origin

Excludes1 (never code together)

• pneumonitis due to inhalation of chemicals, gases, fumes or vapors (J68.0)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 280 — Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders
• CMS-HCC V22: HCC 112 — Fibrosis of Lung and Other Chronic Lung Disorders
• ESRD V24: HCC 112

MS-DRG index

Defines the logic of DRG(s) 196-198 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 495.9 Unspecified allergic alveolitis and pneumonitis

Code annotations containing back-references to J67.9

Back-references to J67.9

• Type 1 Excludes: J39.3 Upper respiratory tract hypersensitivity reaction, site unspecified ("extrinsic allergic alveolitis (J67.9)")
• Type 1 Excludes: J39.3 Upper respiratory tract hypersensitivity reaction, site unspecified ("pneumoconiosis (J60-J67.9)")

Back-references to J67

• Type 2 Excludes: J18 Pneumonia, unspecified organism ("pneumonitis due to external agents (J67-J70)")
• Type 2 Excludes: J44.1 Chronic obstructive pulmonary disease with (acute) exacerbation ("lung diseases due to external agents (J60-J70)")
• Type 2 Excludes: J44.9 Chronic obstructive pulmonary disease, unspecified ("lung diseases due to external agents (J60-J70)")
• Type 2 Excludes: J45.909 Unspecified asthma, uncomplicated ("lung diseases due to external agents (J60-J70)")
• Type 2 Excludes: J66 Airway disease due to specific organic dust ("allergic alveolitis (J67.-)")
• Type 2 Excludes: J66 Airway disease due to specific organic dust ("hypersensitivity pneumonitis due to organic dust (J67.-)")
• Type 1 Excludes: J81 Pulmonary edema ("pulmonary edema due to external agents (J60-J70)")
• Type 2 Excludes: J84 Other interstitial pulmonary diseases ("lung diseases due to external agents (J60-J70)")
• Code First: J84.170 Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere ("lung diseases due to external agents (J60-J70)")

Diagnosis Index entries for J67.9

• Allergy, allergic (reaction) (to) › alveolitis (extrinsic)
• Disease, diseased › lung › obstructive (chronic) › with › alveolitis, allergic
• Disease, diseased › lung › obstructive (chronic) › with › hypersensitivity pneumonitis
• Obstruction, obstructed, obstructive › airway › with › allergic alveolitis
• Pneumonitis (acute) (primary) › allergic (due to)
• Pneumonitis (acute) (primary) › hypersensitivity

Nearby codes

• J67.4 Maltworker's lung
• J67.5 Mushroom-worker's lung
• J67.6 Maple-bark-stripper's lung
• J67.7 Air conditioner and humidifier lung
• J67.8 Hypersensitivity pneumonitis due to other organic dusts
• J67.9 Hypersensitivity pneumonitis due to unspecified organic dust (this code)