J67.9 is the authoritative medical code for Hypersensitivity pneumonitis due to unspecified organic dust. This classification is used in medical billing and clinical recording to specify the clinical criteria for hypersensitivity pneumonitis due to unspecified organic dust (ICD-10-CM J67.9), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Hypersensitivity pneumonitis due to unspecified organic dust is a billable ICD-10-CM diagnosis code J67.9. Includes: allergic alveolitis and pneumonitis due to inhaled organic dust and particles of fungal, actinomycetic or other origin. Inclusion terms: Allergic alveolitis extrinsic NOS; Hypersensitivity pneumonitis NOS. Excludes1 (not coded here): pneumonitis due to inhalation of chemicals, gases, fumes or vapors J68.0. Excludes2 (not included here): asthma J45.-; malignant neoplasm of bronchus and lung C34.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for J67.9 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- allergic alveolitis and pneumonitis due to inhaled organic dust and particles of fungal, actinomycetic or other origin
Inclusion Terms
Alternative terms the tabular list files under this code.
- Allergic alveolitis extrinsic NOS
- Hypersensitivity pneumonitis NOS
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- pneumonitis due to inhalation of chemicals, gases, fumes or vapors J68.0
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- asthma J45.-
- malignant neoplasm of bronchus and lung C34.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with J67.9?
Per Excludes1 instructions, J67.9 must not be reported with: pneumonitis due to inhalation of chemicals, gases, fumes or vapors (J68.0).
Can J67.9 be reported alongside related conditions?
Per Excludes2 instructions, J67.9 and the following may both be reported when both are present: asthma (J45.-); malignant neoplasm of bronchus and lung (C34.-).
What conditions are included under J67.9?
Hypersensitivity pneumonitis due to unspecified organic dust includes: Allergic alveolitis (extrinsic) NOS; Hypersensitivity pneumonitis NOS.
Codes in This Family (10)
Official ICD-10-CM classifications in the same code family as J67.9, with their registry titles.
- J67 — Hypersensitivity pneumonitis due to organic dust
- J67.0 — Farmer's lung
- J67.1 — Bagassosis
- J67.2 — Bird fancier's lung
- J67.3 — Suberosis
- 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
Indexed Clinical Terms (6)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- 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
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code J68.9
Unspecified respiratory condition due to chemicals, gases, fumes and vapors
ICD Code J70.9
Respiratory conditions due to unspecified external agent