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Evidence checklist

Chronic Obstructive Pulmonary Disease (COPD)

DC 660438 CFR § 4.97Respiratory

Evidence strength

Mark what you already have below and your evidence strength appears here.

Target
Saved locally
01

Specialist opinion

Highest value0 of 3 collected
Pulmonary function tests (PFTs) with post-bronchodilator FEV-1Critical

Spirometry confirming airflow obstruction with FEV-1/FVC < 0.70 post-bronchodilator. VA rating is based on FEV-1 percent predicted — the single most important number in a COPD claim.

Private provider · independent opinion
DLCO (diffusing capacity) testingCritical

Diffusion capacity for carbon monoxide documenting gas exchange impairment. DLCO values can drive the rating when more impaired than FEV-1, as the VA uses the most favorable measurement.

Private provider · independent opinion
Nexus opinion linking COPD to service ("at least as likely as not")Critical

A medical opinion connecting your COPD to in-service exposures such as burn pits, sand and particulate matter, chemical agents, or other respiratory hazards encountered during military service.

Private provider · independent opinion
02

Treatment records

0 of 2 collected
Chest imaging (X-ray or CT scan)

Chest X-ray or CT scan documenting hyperinflation, emphysematous changes, air trapping, or bullae consistent with COPD.

VA or private records · written request
Treatment records (inhalers, supplemental oxygen, pulmonary rehab)

Records documenting bronchodilators, inhaled corticosteroids, exacerbation hospitalizations, oxygen therapy, and pulmonary rehabilitation, which reflect disease severity.

VA or private records · written request
03

Lay statements

0 of 1 collected
Buddy statement from spouse, family, or fellow service member

A written statement from someone who can describe observable symptoms and how your condition affects daily life.

You or a witness · VA Form 21-4138 or 21-10210How to get this →
04

Benefits questionnaire

0 of 1 collected
Completed DBQ Respiratory ConditionsCritical

Standardized form capturing FEV-1, DLCO, treatment requirements, and functional impact of COPD.

Provider-completed · VA DBQ formHow to get this →
05

Service records

0 of 2 collected
Documentation of in-service inhalational exposures (burn pits, chemicals)

Service records, deployment history, and PACT Act toxic exposure registry enrollment documenting respiratory hazard exposures during service.

NPRC / milConnect · SF-180
Service treatment records (STRs)Critical

Military medical records showing in-service treatment, complaints, or injuries related to this condition.

NPRC / milConnect · SF-180

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