Published VA rule book · 38 CFR § 4.97 · DC 6602 · not your rating · we do not file

VA rating for asthma, DC 6602: 10%, 30%, 60%, 100%

VA rates asthma under diagnostic code 6602 in the VA rating schedule, 38 CFR § 4.97. The schedule lists 10%, 30%, 60%, or 100%. The table below quotes each published line word for word.

Also called: bronchial asthma. Rule-book name: Asthma, bronchial.

Last checked against eCFR on 2026-10-10 (eCFR issue 2026-08-27). Official text on eCFR.

The published lines for DC 6602

Percent in the rule bookPublished words (quoted)
100%FEV-1 less than 40-percent predicted, or; FEV-1/FVC less than 40 percent, or; more than one attack per week with episodes of respiratory failure, or; requires daily use of systemic (oral or parenteral) high dose corticosteroids or immuno-suppressive medications
60%FEV-1 of 40- to 55-percent predicted, or; FEV-1/FVC of 40 to 55 percent, 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
30%FEV-1 of 56- to 70-percent predicted, or; FEV-1/FVC of 56 to 70 percent, or; daily inhalational or oral bronchodilator therapy, or; inhalational anti-inflammatory medication
10%FEV-1 of 71- to 80-percent predicted, or; FEV-1/FVC of 71 to 80 percent, or; intermittent inhalational or oral bronchodilator therapy

Notes in the rule book

Common questions

What percentages does VA list for asthma?

Under diagnostic code 6602 (38 CFR § 4.97), the rule book lists 10%, 30%, 60%, or 100%. Which line fits is decided by VA from the evidence. This page is not your rating.

Where do these words come from?

They are quoted from the public eCFR copy of 38 CFR § 4.97, Schedule of ratings—respiratory system. We link the official page so you can check it.

How can I use this page?

Read each line, then look at your own records. Note which records talk about the same things the rule book names. Only write what is true for you. You, or a free accredited representative, file with VA.

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Good to know

This page quotes the public VA rule book. It is not your rating and not your pay. We do not say you have this condition. We do not file. You, or a free accredited representative, file with VA.

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