Chronic obstructive pulmonary disease DC 6604

Diagnostic Code6604
CategoryThe Respiratory System
SubcategoryTrachea and Bronchi
Also Known AsChronic obstructive pulmonary disease, COPD, chronic bronchitis, emphysema, breathing difficulty, lung disease, cough, chronic cough, burn pit, burn pit exposure, toxic exposure
CFR Section38 CFR § 4.97
View Official CFR Source ↗ 📋 Find DBQ: DBQ - Respiratory Conditions
Next Steps for This Condition
🩺 C&P Exam Prep ✍️ Write Your Statement 📝 Start Your Claim 🧮 Calculate Rating 💰 See Payment
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

Conditions Secondary to This

No mapped secondary-condition data is available for this diagnostic code yet.

This May Be Secondary To

1 links
Asbestosis
DC 6833
Moderate

Asbestosis-induced lung scarring reduces pulmonary reserve and accelerates obstructive disease, especially in veterans with smoking history.

Open map View primary

Disclaimer: Secondary connections shown are based on commonly established medical links. Individual claims require medical evidence. Consult a VSO or VA-accredited attorney.