Condition Rating Guides
Understand what the VA looks for at each rating level — loading conditions…
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Understand what the VA looks for at each rating level — loading conditions…
A progressive lung disease where the air sacs in your lungs are damaged and enlarged, making it harder to breathe. Often caused by smoking or toxic exposures during service. The VA rates emphysema based on lung function tests measuring how well your lungs exchange air.
The VA rates this condition based on objective clinical measurements and test results. The examiner will use standardized tests or lab values to determine the severity of your condition rather than relying primarily on subjective symptom reports.
Diagnostic code
DC 6603
Rating range
10% – 100%
Rating levels
4
Rating criteria are defined in 38 CFR 4.97, DC 6603. This guide presents a plain-language summary and is not a substitute for the full regulatory text. Always consult a VSO or VA-accredited attorney for case-specific advice.
Your lung function tests show FEV-1 less than 40 percent predicted, or FEV-1/FVC less than 40 percent, or DLCO (SB) less than 40 percent predicted, or maximum oxygen consumption less than 15 ml/kg/min, or you have cor pulmonale, pulmonary hypertension, or require outpatient oxygen therapy.
What the VA looks for