Respiratory Conditions (Asthma / COPD / Bronchitis) C&P Exam Prep

FEV-1 (Forced Expiratory Volume in 1 Second) - % Predicted

What it measures: The amount of air you can forcibly exhale in one second, expressed as a percentage of the normal predicted value for a person of your age, height, sex, and race. This is the single most important spirometry value for VA rating purposes.

What to expect: You will be asked to take a deep breath and blow out as hard and fast as possible into a spirometer mouthpiece. This is typically repeated 3 times to get the best effort. The test may be performed before and after a bronchodilator (rescue inhaler). The technician will encourage maximum effort each time.

Pain considerations: Forceful exhalation can trigger coughing, bronchospasm, or significant shortness of breath. Inform the examiner immediately if you experience chest pain, severe dyspnea, or need to use your rescue inhaler during testing. These reactions should be documented as evidence of airway hyperreactivity.

FEV-1/FVC Ratio (Tiffeneau-Pinelli Index)

What it measures: The ratio of FEV-1 to Forced Vital Capacity (FVC), expressed as a percentage. A reduced ratio (below 70-80% depending on age) indicates obstructive lung disease. This ratio is an independent rating criterion - meeting the threshold in either FEV-1 % predicted OR FEV-1/FVC is sufficient to qualify at a given rating level.

What to expect: Measured simultaneously during spirometry. The FVC is the total volume of air forcibly exhaled from maximum inhalation to complete exhalation. Both values are derived from the same blowing maneuver.

Pain considerations: Same as FEV-1 testing - report any bronchospasm, wheezing, or distress immediately.

DLCO (SB) - Diffusion Capacity of the Lung for Carbon Monoxide, Single Breath Method

What it measures: How efficiently your lungs transfer gas (specifically carbon monoxide as a surrogate for oxygen) from the air into the bloodstream. Reduced DLCO indicates impaired gas exchange, commonly seen in emphysema and interstitial lung disease. DLCO is an independent rating criterion for COPD (DC 6604) and chronic bronchitis (DC 6600).

What to expect: You will inhale a dilute mixture of carbon monoxide and a tracer gas, hold your breath for approximately 10 seconds, then exhale. The expired gas is analyzed. This test requires good cooperation and breath-holding ability.

Pain considerations: Generally well-tolerated, but the 10-second breath hold can cause lightheadedness. Sit down immediately if you feel faint, and have your inhaler accessible.

Exercise Capacity Testing (VO2 Max / Maximum Oxygen Consumption)

What it measures: Maximum oxygen consumption during exercise (ml/kg/min), reflecting cardiopulmonary reserve. This is an independent rating criterion for COPD (DC 6604) and chronic bronchitis (DC 6600) at the 60% and 100% rating levels.

What to expect: If ordered, this typically involves walking on a treadmill or pedaling a stationary bicycle while oxygen consumption is measured. This test may not always be performed at a routine C&P exam.

Pain considerations: This test can precipitate significant respiratory distress. Ensure the examiner is aware of the degree of your exertional limitation before testing. The test should be stopped immediately if you experience chest pain, severe dyspnea, or O2 desaturation.

Pulse Oximetry / Oxygen Saturation (SpO2)

What it measures: The percentage of hemoglobin saturated with oxygen in peripheral blood, measured non-invasively. While not a standalone VA rating criterion, significant oxygen desaturation at rest or with exertion supports findings of severe disease and requirement for supplemental oxygen.

What to expect: A clip-on sensor placed on your fingertip. May be measured at rest, during activity, and/or after exertion.

Pain considerations: Non-invasive and painless. If you experience anxiety or breathlessness during measurement, inform the examiner.

100%

FEV-1 less than 40% predicted, OR FEV-1/FVC less than 40%, OR (for asthma only) more than one attack per week with episodes of respiratory failure OR requires daily use of systemic (oral or parenteral) high-dose corticosteroids or immunosuppressive medications. For COPD/bronchitis: additionally includes DLCO (SB) less than 40% predicted, maximum exercise capacity less than 15 ml/kg/min with cardiac or respiratory limitation, cor pulmonale (right heart failure), right ventricular hypertrophy, pulmonary hypertension shown by echocardiogram or cardiac catheterization, episode(s) of acute respiratory failure, or requires outpatient oxygen therapy.

From 38 CFR: Under DC 6602 (asthma): 'requires daily use of systemic (oral or parenteral) high dose corticosteroids or immunosuppressive medications.' Under DC 6604 (COPD): 'requires outpatient oxygen therapy' or 'episode(s) of acute respiratory failure.' Under DC 6600 (bronchitis): same criteria as COPD.

60%

FEV-1 of 40-55% predicted, OR FEV-1/FVC of 40-55%, OR (for asthma only) at least monthly visits to a physician for required care of exacerbations OR intermittent (at least three per year) courses of systemic (oral or parenteral) corticosteroids. For COPD/bronchitis: DLCO (SB) of 40-55% predicted or maximum oxygen consumption of 15-20 ml/kg/min with cardiorespiratory limitation.

From 38 CFR: Under DC 6602 (asthma): 'at least monthly visits to a physician for required care of exacerbations, or; intermittent (at least three per year) courses of systemic (oral or parenteral) corticosteroids.' Under DC 6604/6600: 'FEV-1 of 40- to 55-percent predicted.'

30%

FEV-1 of 56-70% predicted, OR FEV-1/FVC of 56-70%, OR (for asthma) daily inhalational or oral bronchodilator therapy OR inhalational anti-inflammatory medication. For COPD/bronchitis: DLCO (SB) of 56-70% predicted.

From 38 CFR: Under DC 6602 (asthma): 'daily inhalational or oral bronchodilator therapy, or; inhalational anti-inflammatory medication.' Under DC 6604/6600: 'FEV-1 of 56- to 70-percent predicted' or 'DLCO (SB) of 56- to 70-percent predicted.'

10%

FEV-1 of 71-80% predicted, OR FEV-1/FVC of 71-80%, OR intermittent (less than daily) inhalational or oral bronchodilator therapy. For COPD/bronchitis: DLCO (SB) of 71-80% predicted.

From 38 CFR: Under DC 6602 (asthma): 'FEV-1 of 71- to 80-percent predicted, or; FEV-1/FVC of 71 to 80 percent, or; intermittent inhalational or oral bronchodilator therapy.' Under DC 6604/6600: 'FEV-1 of 71- to 80-percent predicted' or 'DLCO (SB) of 71- to 80-percent predicted.'

Dyspnea (Shortness of Breath)

How to describe it: Describe dyspnea in terms of specific activities that trigger it and how the severity has changed over time. Use concrete comparisons: 'I used to walk a mile without stopping; now I cannot walk from my bedroom to the bathroom without stopping to catch my breath.' Quantify distance, number of steps, or time before you must stop. Describe dyspnea at rest vs. with exertion separately.

Example: On my worst days, I wake up already feeling like I cannot get enough air. I cannot shower and get dressed without sitting down to rest in between. I cannot carry on a conversation without pausing to breathe. I feel like I am breathing through a wet towel. I have had to call 911 twice because I could not get my breathing under control even after multiple doses from my rescue inhaler.

Examiner listens for: Specific triggering activities, functional limitations on daily tasks, frequency of severe dyspnea episodes, whether dyspnea is present at rest, nocturnal dyspnea, and orthopnea (needing to sit upright to breathe).

Avoid: Do not say 'I get a little winded sometimes' if you mean you stop activity and must sit down. Do not say 'I manage okay' when you have reorganized your entire life to avoid exertion. Describe your worst days, not your best days.

Asthma or COPD Attacks / Exacerbations

How to describe it: Describe each type of attack: mild (managed at home with rescue inhaler), moderate (required a doctor visit, urgent care, or oral steroids), and severe (required emergency department visit or hospitalization). Provide approximate counts per year for each type. Describe what an attack feels like, how long it lasts, and how long recovery takes.

Example: Last year I had about 8 attacks that required oral prednisone, and I went to the emergency room 3 times. My worst attack lasted 4 hours and I was admitted to the hospital for 3 days on IV steroids and continuous nebulizer treatments. After a bad attack, it takes me 2-3 weeks to get back to my baseline - I am completely wiped out and cannot do basic activities.

Examiner listens for: Frequency of exacerbations per year, severity (ER visits, hospitalizations, respiratory failure), triggers, duration of attacks, recovery time, and whether attacks are increasing in frequency or severity.

Avoid: Do not minimize hospitalizations or ER visits. If you have been admitted to the ICU or required mechanical ventilation or BiPAP/CPAP for an attack, this is critical information that directly impacts the 100% rating criteria. Count every steroid burst - even a 5-day Medrol dose pack counts as a course of systemic corticosteroids.

Medication Requirements

How to describe it: List every respiratory medication - name, dose, frequency, and why it was prescribed. Distinguish between scheduled daily medications and rescue/as-needed medications. The type and intensity of medication regimen is a direct VA rating criterion. Daily inhalational bronchodilator therapy alone supports at least a 30% rating for asthma.

Example: I take fluticasone/salmeterol (Advair) 500/50 twice daily, tiotropium (Spiriva) once daily, and montelukast (Singulair) once daily every single day. I use albuterol rescue inhaler 3-4 times a day on bad days and at least once a day on good days. I have taken oral prednisone 4 times this year for flare-ups. My pulmonologist recently told me we are running out of options and discussed starting a biologic medication.

Examiner listens for: Whether bronchodilators are daily (scheduled) or intermittent, whether the veteran uses inhalational anti-inflammatory medications, how many courses of oral/IV steroids per year, whether immunosuppressive medications are required, and whether outpatient oxygen has been prescribed.

Avoid: Do not forget to mention combination inhalers like Advair, Symbicort, Trelegy, or Breo - each contains both a bronchodilator and an anti-inflammatory, potentially meeting two criteria simultaneously at the 30% level. Do not minimize steroid bursts as 'just a Z-pack' - a steroid taper counts as a course of systemic corticosteroids for rating purposes.

Productive Cough and Sputum Production

How to describe it: Describe frequency (daily, intermittent), character of sputum (clear, white, yellow, green, blood-tinged), volume, and any associated odor. Chronic productive cough is a hallmark of chronic bronchitis and bronchiectasis. Describe the frequency: morning cough, all-day cough, nocturnal cough.

Example: I cough every morning for 30-45 minutes before my airways clear enough to function. Throughout the day I cough up thick yellow or green mucus. About 4-5 times per year the sputum becomes foul-smelling and I need antibiotics - sometimes a full 6-week course. On my worst days I cough so hard I vomit or lose control of my bladder.

Examiner listens for: Frequency and character of cough, sputum volume and color changes indicating infection, need for antibiotics, and whether cough significantly disrupts sleep or daily activities.

Avoid: Do not forget to mention blood-tinged sputum (hemoptysis) if it has occurred - this is a separately documented DBQ finding. Do not omit recurrent antibiotic courses for respiratory infections, as these support higher severity ratings for bronchiectasis and bronchitis.

Fatigue and Functional Impact

How to describe it: Describe how respiratory symptoms cause fatigue separate from any other conditions. The effort required to breathe with obstructed airways is enormously energy-consuming. Describe how fatigue limits your ability to work, maintain a household, engage in social activities, or care for family members.

Example: By noon on most days I am so exhausted from the effort of breathing that I have to lie down. I cannot hold a full-time job because I cannot predict when a bad breathing day will force me to leave early or miss work entirely. I had to stop coaching my son's soccer team because I cannot stand and talk for more than 10-15 minutes without becoming winded and needing to sit down.

Examiner listens for: Concrete examples of functional limitation, impact on employability, inability to perform specific tasks, and whether fatigue is directly attributable to respiratory effort rather than other conditions.

Avoid: Do not separate respiratory fatigue from your overall functioning - the combined effect is what matters. Do not say 'I am tired sometimes' when you mean 'I am incapacitated for hours every day.'

Sleep Disruption and Nocturnal Symptoms

How to describe it: Describe nocturnal coughing, wheezing, or shortness of breath that wakes you at night, how many times per week, what you must do to manage (sit upright, use rescue inhaler, use nebulizer), and how long before you can return to sleep.

Example: I wake up 3-4 times per week coughing uncontrollably or unable to breathe. I keep a nebulizer at my bedside and use it at least once or twice a week in the middle of the night. I sleep propped up on 3 pillows because lying flat worsens my breathing. My wife sleeps in another room because my coughing and wheezing keep her awake.

Examiner listens for: Nocturnal asthma or COPD as evidence of poor disease control, requirement for nighttime medication or positioning, and impact on sleep quality and daytime functioning.

Avoid: Do not omit sleep disruption simply because you have adapted to it. Adapted functioning is not the same as normal functioning.