Chronic obstructive pulmonary disease (DC 6604) | VA Rating Tool
| Diagnostic Code | 6604 |
|---|---|
| Category | The Respiratory System |
| Subcategory | Trachea and Bronchi |
| Also Known As | Chronic obstructive pulmonary disease, COPD, chronic bronchitis, emphysema, breathing difficulty, lung disease, cough, chronic cough, burn pit, burn pit exposure, toxic exposure |
| CFR Section | 38 CFR § 4.97 |
Next Steps for This Condition
Rating Criteria
| Rating | Criteria |
|---|---|
| 100% | FEV-1 less than 40 percent of predicted value, or; the ratio of Forced Expiratory Volume in one second to Forced Vital Capacity (FEV-1/FVC) less than 40 percent, or; Diffusion Capacity of the Lung for Carbon Monoxide by the Single Breath Method (DLCO (SB)) less than 40-percent predicted, or; maximum exercise capacity less than 15 ml/kg/min oxygen consumption (with cardiac or respiratory limitation), or; cor pulmonale (right heart failure), or; right ventricular hypertrophy, or; pulmonary hypertension (shown by Echo or cardiac catheterization), or; episode(s) of acute respiratory failure, or; requires outpatient oxygen therapy. |
| 60% | FEV-1 of 40- to 55-percent predicted, or; FEV-1/FVC of 40 to 55 percent, or; DLCO (SB) of 40- to 55-percent predicted, or; maximum oxygen consumption of 15 to 20 ml/kg/min (with cardiorespiratory limit) |
| 30% | FEV-1 of 56- to 70-percent predicted, or; FEV-1/FVC of 56 to 70 percent, or; DLCO (SB) 56- to 65-percent predicted |
| 10% | FEV-1 of 71- to 80-percent predicted, or; FEV-1/FVC of 71 to 80 percent, or; DLCO (SB) 66- to 80-percent predicted |