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

Spirometry - FEV-1 (Forced Expiratory Volume in 1 second)

What it measures: The amount of air you can forcefully exhale in one second, expressed as a percentage of the predicted normal value for a person of your age, height, sex, and race. This is the single most important metric for rating COPD and asthma under 38 CFR 4.97.

What to expect: You will breathe into a mouthpiece connected to a spirometer and blow out as hard and fast as you can. The test is typically repeated 3 times and the best result is used. The effort required is significant and may trigger coughing or shortness of breath.

Pain considerations: If forceful exhalation causes chest tightness, bronchospasm, or coughing attacks, immediately inform the examiner. These reactions themselves are clinically meaningful and should be documented in the DBQ.

Spirometry - FVC (Forced Vital Capacity)

What it measures: Total volume of air you can exhale after taking the deepest possible breath. Used in conjunction with FEV-1 to calculate the FEV-1/FVC ratio.

What to expect: Performed simultaneously with FEV-1 during standard spirometry. The FVC measurement requires a sustained, maximal exhalation over several seconds.

Pain considerations: If sustained exhalation causes lightheadedness, chest pain, or significant bronchospasm, document these immediately with the examiner.

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

What it measures: The ability of the lungs to transfer gas (specifically carbon monoxide as a surrogate for oxygen) across the alveolar membrane. Expressed as a percentage of predicted normal. Particularly important for COPD (emphysema component) and interstitial lung disease.

What to expect: You will inhale a small amount of carbon monoxide mixed with air, hold your breath for about 10 seconds, then exhale. The test is usually done in a seated position. Multiple attempts may be needed.

Pain considerations: DLCO testing is generally well tolerated, but if breath-holding at full inspiration causes severe discomfort or bronchospasm, inform the examiner.

Exercise Capacity Testing (VO2 Max / Oxygen Consumption)

What it measures: Maximum oxygen consumption during exertion, expressed in ml/kg/min. Used to establish 100% or 60% ratings for COPD/Chronic Bronchitis when FEV-1 and DLCO are insufficient or inconsistent.

What to expect: Typically involves a treadmill or bicycle ergometer test with monitoring of oxygen consumption. Not always performed at C&P exams but results from prior exercise tests should be submitted.

Pain considerations: If you cannot exercise to tolerance due to dyspnea or chest tightness, this is critically important clinical information. Document in advance what activities cause shortness of breath.

100%

FEV-1 less than 40% of predicted value; OR FEV-1/FVC ratio less than 40%; OR DLCO (SB) less than 40% predicted; OR maximum exercise capacity less than 15 ml/kg/min with cardiorespiratory limitation; OR cor pulmonale (right heart failure); OR right ventricular hypertrophy; OR pulmonary hypertension (shown by echocardiogram or cardiac catheterization); OR episode(s) of acute respiratory failure; OR requires outpatient oxygen therapy. For asthma (DC 6602): FEV-1 < 40% predicted; OR FEV-1/FVC < 40%; OR more than one attack per week with episodes of respiratory failure; OR requires daily use of systemic high-dose corticosteroids or immunosuppressive medications.

From 38 CFR: 38 CFR 4.97, DC 6604: '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% of predicted value; OR FEV-1/FVC of 40% to 55%; OR DLCO (SB) of 40% to 55% predicted; OR maximum oxygen consumption of 15 to 20 ml/kg/min with cardiorespiratory limitation. For asthma (DC 6602): FEV-1 of 40%-55% predicted; OR FEV-1/FVC of 40%-55%; OR 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.

From 38 CFR: 38 CFR 4.97, DC 6604: '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% of predicted value; OR FEV-1/FVC of 56% to 70%; OR DLCO (SB) of 56% to 70% predicted; OR daily inhalational or oral bronchodilator therapy; OR inhalational anti-inflammatory medication.

From 38 CFR: 38 CFR 4.97, DC 6604: 'FEV-1 of 56- to 70-percent predicted, or; [DLCO (SB) of 56- to 70-percent predicted,] or; daily inhalational or oral bronchodilator therapy, or; inhalational anti-inflammatory medication.'

10%

FEV-1 of 71% to 80% of predicted value; OR FEV-1/FVC of 71% to 80%; OR DLCO (SB) of 71% to 80% predicted; OR intermittent inhalational or oral bronchodilator therapy. For asthma (DC 6602): Note - in the absence of clinical findings of asthma at time of examination, a verified history of asthmatic attacks must be of record.

From 38 CFR: 38 CFR 4.97, DC 6602 Note: 'In the absence of clinical findings of asthma at time of examination, a verified history of asthmatic attacks must be of record.' This means asthma veterans who are symptom-free on exam day must have documented attack history in their medical records.

Dyspnea (Shortness of Breath)

How to describe it: Describe dyspnea using specific functional benchmarks: how many level steps before stopping, how far you can walk on flat ground, whether you become short of breath dressing, bathing, or speaking in full sentences. Use the MRC Dyspnea Scale language if helpful (e.g., 'I stop for breath after walking about 100 yards on level ground'). Distinguish your average day from your worst days.

Example: On my worst days, I get short of breath just walking from my bedroom to the bathroom - about 20 feet. I have to sit down to catch my breath before I can continue. I cannot climb even one flight of stairs without stopping multiple times. I wake up at night feeling like I'm suffocating.

Examiner listens for: Functional activity limitations tied to dyspnea; how dyspnea compares to baseline; whether dyspnea occurs at rest, with minimal exertion, moderate exertion, or only with strenuous activity; nocturnal dyspnea; orthopnea.

Avoid: Saying 'I get a little winded sometimes' when you actually stop frequently during daily activities. Avoid phrases like 'I manage okay' if you have significantly modified your life to accommodate breathlessness.

Exacerbation Frequency and Severity

How to describe it: Provide the number of exacerbations (flare-ups) in the past 12 months, what triggered them, how long they lasted, whether they required ER visits or hospitalization, and what treatment was required (steroids, antibiotics, nebulizers, intubation). Distinguish between minor exacerbations managed at home and major ones requiring emergency care.

Example: In the last year I have had 5 exacerbations. Three of them required urgent care visits where I received IV steroids and nebulizer treatments. One required a 4-day hospitalization. During each flare, I cannot speak in full sentences, my lips may turn bluish, and I need to sit upright to breathe. My worst flares last 1-2 weeks.

Examiner listens for: Number of exacerbations per year (3+ per year is a key threshold for the 60% asthma rating criterion); hospitalization history; steroid burst frequency and duration; whether exacerbations result in acute respiratory failure.

Avoid: Forgetting to count ER visits, urgent care trips, or telehealth calls where steroids were prescribed. Not mentioning exacerbations that you 'treated yourself' with extra inhalers at home.

Medication Regimen and Its Significance

How to describe it: List ALL respiratory medications including exact names, doses, and how often you use them. Distinguish between controller medications (daily use) and rescue medications (as needed). Make clear whether any are systemic (oral/injectable) corticosteroids versus inhaled. The type and frequency of medications directly determines your rating tier.

Example: I take fluticasone/salmeterol (Advair) twice daily, tiotropium (Spiriva) once daily, and montelukast every night. I also require oral prednisone bursts approximately 4 times per year for about 5-10 days each. On bad days I use albuterol every 2-4 hours. I have been prescribed home nebulizer treatments.

Examiner listens for: Daily inhalational bronchodilator use (30% threshold); daily inhalational anti-inflammatory use (30% threshold); intermittent systemic corticosteroid courses - at least 3 per year triggers 60% asthma criteria; daily systemic corticosteroids or immunosuppressives triggers 100%; oral bronchodilator use.

Avoid: Downplaying how frequently you use your rescue inhaler. Not mentioning all medications because you think they are 'standard' treatment. Failing to report that a medication was recently added or increased.

Productive Cough and Sputum

How to describe it: Describe whether your cough is dry or productive. If productive, note the color (clear, white, yellow, green, blood-tinged), thickness, and quantity of sputum. Report how frequently you cough - intermittently, daily, or nearly constantly. Note any blood-tinged sputum or frank hemoptysis.

Example: I cough every morning and throughout the day. I produce thick, yellowish-green sputum most mornings - sometimes half a cup or more. Occasionally I see streaks of blood in the sputum. The coughing is so forceful I sometimes vomit or lose bladder control.

Examiner listens for: Frequency (intermittent vs. daily vs. near-constant); purulent sputum; hemoptysis; whether antibiotic courses are required - two or more antibiotic courses per year is a rating criterion for bronchiectasis.

Avoid: Saying 'I just have a little cough' when you actually cough multiple times an hour or produce significant sputum daily.

Wheezing and Chest Tightness

How to describe it: Describe the frequency, triggers, and severity of wheezing and chest tightness. Note whether wheezing is audible to others or only heard through a stethoscope. Identify triggers (cold air, allergens, smoke, exercise, respiratory infections, stress). Report whether wheezing wakes you from sleep.

Example: On my worst days, my wheezing is audible across the room. My chest feels like someone is sitting on it. I cannot finish a full sentence without stopping to wheeze. Cold air or even walking to the mailbox triggers an attack. I wake up at least 3 nights a week wheezing.

Examiner listens for: Audible wheezing; nocturnal symptoms; trigger identification; whether attacks require emergency treatment or are managed at home.

Avoid: Saying you don't wheeze on exam day (a normal exam-day presentation is common for asthma) without mentioning your history of documented attacks. Per 38 CFR 4.97 DC 6602 Note, a verified history of attacks must be of record.

Functional and Occupational Impact

How to describe it: Describe specific activities you can no longer perform or have had to significantly modify due to your respiratory condition. Include work limitations (missed days, inability to perform physical tasks, need for accommodations), social limitations, and activities of daily living. Be specific - name the activities and quantify the limitation.

Example: I had to leave my job as a warehouse worker because I could not tolerate dust or physical exertion without severe attacks. I now work a sedentary desk job and miss approximately 3-4 days per month during exacerbations. I cannot mow my lawn, carry groceries, or play with my grandchildren. I have to sit while showering and sleep with the head of my bed elevated.

Examiner listens for: Work absences and job modifications; inability to perform sustained physical activity; social withdrawal due to breathlessness; impact on sleep; need for assistance with ADLs.

Avoid: Saying 'I can still work' without mentioning how severely limited you are at work, how many days you miss, or what accommodations you require.