Sleep and breathing

Asthma

Asthma, bronchial. Diagnostic Code 6602.

Veticare EducationUpdated October 2026Source: 38 CFR 4.97

Overview

Asthma narrows and inflames the airways, causing wheezing, shortness of breath, and coughing. VA rates it mainly by lung function tests and the type and frequency of treatment.

How VA rates it

Diagnostic Code 6602 · 38 CFR 4.97

Here is a plain language summary of the rating levels in the regulation. Read the official text for the exact wording.

RatingSummary of the criteria
100%Very low lung function, more than one attack per week with respiratory failure, or daily high dose systemic steroids or immunosuppressants.
60%Lung function of 40 to 55 percent predicted, at least monthly physician visits for exacerbations, or at least three courses of systemic steroids per year.
30%Lung function of 56 to 70 percent predicted, daily inhaled or oral bronchodilator therapy, or inhaled anti inflammatory medication.
10%Lung function of 71 to 80 percent predicted, or intermittent bronchodilator therapy.

If asthma is not present at the exam, the regulation requires a verified history of attacks in the record.

Common secondary connections

These are conditions often discussed in connection with Asthma. A secondary claim generally needs medical evidence that one condition caused or worsened another. This list is general education, not a suggestion about any claim.

  • GERD
  • Sleep apnea
  • Rhinitis and sinusitis

Presumptive notes

VA lists asthma diagnosed after service as a PACT Act presumptive condition for qualifying service locations. Read the full eligibility rules on VA.gov.

Evidence veterans generally gather

VA describes evidence types in its evidence guide. For this condition, veterans often collect:

  • Pulmonary function test (PFT) results
  • Medication and inhaler records
  • Deployment records
  • A current diagnosis from a medical provider
  • Service treatment records and personnel records
  • VA and private treatment records
  • Statements from you, family, or fellow service members (lay statements)
  • A Disability Benefits Questionnaire (DBQ) completed by a provider, if available

Official source

Rating levels: 38 CFR 4.97 on eCFR. Rules change; always confirm the current text.

Back to the conditions library

Education only. This page explains how VA publishes its rating rules in plain language. It is not advice about your claim, and it does not predict or promise any rating or outcome. Only VA decides ratings. Veticare is not a VA accredited representative and has no referral partnerships. For help with a claim, find free accredited help at the VA accreditation search.
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