Variable
Highest listed pathwayBased on regulatory criteria.
Review CFR criteria, examples, and evidence
- Official CFR language
- Evaluated based on FVC, DLCO, or oxygen requirements.
- Qualification explanation
- Rated according to the schedule.
Reference: 38 CFR 4.97
Review interstitial lung disease guidance covering the shared FVC/DLCO(SB)-based General Rating Formula for all 9 assigned diagnostic codes (DC 6825-6833: diffuse interstitial fibrosis, desquamative interstitial pneumonitis, pulmonary alveolar proteinosis, eosinophilic granuloma, drug-induced and radiation-induced pulmonary fibrosis, hypersensitivity pneumonitis, pneumoconiosis, and asbestosis), plus the 100 percent tier's independent exercise-capacity, cor pulmonale/pulmonary hypertension, and oxygen-therapy alternatives.
VA evaluates Interstitial Lung Disease based on 38 CFR 4.97, DC 6825-6833.
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Overview
VA evaluates Interstitial Lung Disease based on 38 CFR 4.97, DC 6825-6833.
Regulatory authority: 38 CFR 4.97, DC 6825-6833
Educational only. RatingScope does not diagnose, determine service connection, or predict a VA decision.
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Based on regulatory criteria.
Evidence
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Terminology
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Secondary conditions
No commonly documented secondary connections are tracked for Interstitial Lung Disease yet.
In-depth analysis of DBQ forms, medical evidence thresholds, and rating schedules for Interstitial Lung Disease.
Learn how the VA evaluates pulmonary fibrosis, asbestosis, silicosis, and interstitial lung disease under Diagnostic Code 6838, DLCO metrics, and PACT Act presumptions.
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Learn how the VA interprets Pulmonary Function Tests (FEV-1, FVC, and DLCO) to assign disability ratings from 10% to 100% under 38 CFR 4.97.
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Learn why the VA does not combine respiratory conditions under 38 CFR 4.96(a), and how predominant ratings and rating elevations work.
Understand how the VA evaluates lung cancer, bronchial tumors, and respiratory neoplasms under Diagnostic Code 6819, temporary 100% rules, and PACT Act presumptions.
The PACT Act expanded presumptive service connection for toxic exposures. Learn how presumptions work and how conditions are rated.
Keep going
Compare a percentage level and combined-rating math, or review evidence context.
Understand the whole-person method, final rounding, and bilateral limits, then calculate how percentages combine.
Open VA Math guideUnderstand common evidence categories and what they can clarify without treating them as a checklist.
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