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    v1.0.28
    OpenPayerBilling CodesLung diseases due to external agentsICD-10-CM j67-hypersensitivity-pneumonitis-due-to-organic-dust
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    ICD-10-CM Code For Hypersensitivity Pneumonitis Due To Organic Dust: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group J67 includes diagnoses of hypersensitivity pneumonitis resulting from exposure to organic dusts, such as farmer's lung, bird fancier's lung, and other allergic alveolitis forms caused by organic agents. These ICD-10-CM diagnosis codes are used to document acute, subacute, or chronic immune-mediated interstitial lung disease presentations and to capture the causative exposure, pulmonary involvement, and disease severity. Accurate coding within the ICD-10-CM J67 group supports proper claim adjudication and appropriate reimbursement.

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    ICD-10-CM J67: Hypersensitivity Pneumonitis Due To Organic Dust Overview

    This group represents hypersensitivity pneumonitis caused by inhalation of organic dusts, an immune-mediated interstitial lung disease affecting the respiratory system. Accurate coding identifies the external agent and clinical manifestation, informing diagnosis, treatment planning, and epidemiologic tracking. Precise documentation supports correct reimbursement and claim processing by reflecting the complexity and causation of the lung disease.

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    When to Use

    Assign a code from this group when clinical documentation indicates hypersensitivity pneumonitis with a specified organic dust exposure as the cause. Use these codes to reflect acute, subacute, or chronic presentations and to document the identified causative agent when known.

    ICD-10-CM Codes

    10 rows

    ICD-10-CM CodeDescription
    J67.0Farmer's lung
    J67.1Bagassosis
    J67.2Bird fancier's lung
    J67.3Suberosis
    J67.4Maltworker's lung
    J67.5Mushroom-worker's lung
    J67.6Maple-bark-stripper's lung
    J67.7Air conditioner and humidifier lung
    J67.8Hypersensitivity pneumonitis due to other organic dusts
    J67.9Hypersensitivity pneumonitis due to unspecified organic dust

    DRG Codes

    3 rows

    DRG CodeDescription
    196Interstitial Lung Disease with MCC
    197Interstitial Lung Disease with CC
    198Interstitial Lung Disease without CC/MCC

    Typical Clinical Scenarios

    • An otherwise healthy 35-year-old bird breeder presents to urgent care with acute onset fever, cough, dyspnea, and malaise 4–8 hours after heavy exposure to pigeon droppings in an enclosed coop. Chest auscultation reveals crackles and pulse oximetry shows mild hypoxemia; chest radiograph demonstrates diffuse interstitial markings. A diagnosis from this group is assigned for acute hypersensitivity pneumonitis triggered by avian proteins after a clear exposure history and compatible clinical and radiographic findings. Typical codes: J67.0, J67.1
    • A 58-year-old farmer with months of progressive exertional dyspnea, chronic cough, and weight loss presents to pulmonary clinic; high-resolution CT shows fibrotic changes with honeycombing predominantly in the mid and upper lungs. Occupational history reveals long-term exposure to moldy hay and repeated episodes of inflammatory flares years prior, supporting a chronic, fibrotic hypersensitivity pneumonitis due to organic dusts. A code from this group is assigned to capture the chronic interstitial lung disease secondary to organic inhalational exposure. Typical codes: J67.2, J67.9
    • A 46-year-old humidifier technician is hospitalized with severe respiratory distress and acute hypoxemic respiratory failure following intense inhalational exposure to thermophilic actinomycetes; he requires supplemental oxygen and corticosteroid therapy for an acute exacerbation superimposed on known hypersensitivity pneumonitis. In this complication scenario, an acute inflammatory flare of hypersensitivity pneumonitis necessitates hospitalization and is coded from this group to reflect the precipitating organic dust etiology and acute severity. Typical codes: J67.3, J67.8

    Related Codes

    J60-COALWORKERS-PNEUMOCONIOSIS

    ICD-10-CM Code For Coalworker's Pneumoconiosis: Group Overview

    J61-PNEUMOCONIOSIS-DUE-TO-ASBESTOS

    ICD-10-CM Code For Pneumoconiosis Due To Asbestos And Other Mineral Fibers: Group Overview

    J62-PNEUMOCONIOSIS-DUE-TO-SILICA

    ICD-10-CM Code For Pneumoconiosis Due To Dust Containing Silica: Group Overview

    J63-PNEUMOCONIOSIS-DUE-TO-OTHER-INORGANIC-DUSTS

    ICD-10-CM Code For Pneumoconiosis Due To Other Inorganic Dusts: Group Overview

    J64-UNSPECIFIED-PNEUMOCONIOSIS

    ICD-10-CM Code For Unspecified Pneumoconiosis: Group Overview

    J65-PNEUMOCONIOSIS-ASSOCIATED-WITH-TUBERCULOSIS

    ICD-10-CM Code For Pneumoconiosis Associated With Tuberculosis: Group Overview

    J66-AIRWAY-DISEASE-DUE-TO-SPECIFIC-ORGANIC-DUST

    ICD-10-CM Code For Airway Disease Due To Specific Organic Dust: Group Overview

    J68-RESPIRATORY-CONDITIONS-DUE-TO-INHALATION

    ICD-10-CM Code For Respiratory Conditions Due To Inhalation Of Chemicals Gases Fumes And Vapors: Group Overview

    J69-PNEUMONITIS-DUE-TO-SOLIDS-AND-LIQUIDS

    ICD-10-CM Code For Pneumonitis Due To Solids And Liquids: Group Overview

    J70-RESPIRATORY-CONDITIONS-DUE-TO-OTHER-EXTERNAL-AGENTS

    ICD-10-CM Code For Respiratory Conditions Due To Other External Agents: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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