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Diagnostic code 6602

How the VA Rates Asthma

The plain-English version of the 38 CFR § 4.97, DC 6602 criteria a VA rater evaluates Asthma against, with the 2026 monthly rate at each level. A reference to what the regulation describes — never a prediction of any rating.

38 CFR § 4.97, DC 6602

Asthma · 4 levels

  1. 100%$3,938.58a month
  2. 60%$1,435.02a month
  3. 30%$552.47a month
  4. 10%$180.42a month

2026 VA rates (effective December 1, 2025), veteran alone, as the only rated condition. VA decides the level.

Key facts

Regulation
38 CFR § 4.97, DC 6602
Diagnostic code
6602
Levels in the schedule
10% · 30% · 60% · 100%
Top level (100%) pays
$3,938.58/month2026, veteran alone

The rating levels

Criteria paraphrased from 38 CFR § 4.97, DC 6602 for readability. Monthly amounts are the 2026 rate (effective December 1, 2025) for a veteran with no dependents if this were the only rated condition — dependents add more, and multiple conditions combine under the VA’s own math.

  1. 100%

    $3,938.58/month

    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.

    Examples from this level’s criteria

    • Severe airflow obstruction (FEV-1 < 40%)
    • More than one attack per week with episodes of respiratory failure
    • Daily high-dose oral/injected corticosteroids or immunosuppressive medication
  2. 60%

    $1,435.02/month

    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.

    Examples from this level’s criteria

    • Severe lung function reduction (FEV-1 40–55%)
    • At least three courses per year of oral or injected steroids (e.g., prednisone bursts)
    • At least monthly physician visits for required care of flare-ups
  3. 30%

    $552.47/month

    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.

    Examples from this level’s criteria

    • Moderate reduction in lung function (FEV-1 56–70%)
    • Uses a bronchodilator daily
    • Uses an inhaled anti-inflammatory (inhaled corticosteroid)
  4. 10%

    $180.42/month

    FEV-1 of 71- to 80-percent predicted, or; FEV-1/FVC of 71 to 80 percent, or; intermittent inhalational or oral bronchodilator therapy.

    Examples from this level’s criteria

    • Uses a rescue inhaler (e.g., albuterol) intermittently
    • Mild reduction in lung function on spirometry (FEV-1 71–80%)
    • Occasional wheeze or shortness of breath with exertion

The listed symptoms are examples that appear in each level’s criteria — not a checklist that earns a percentage. Raters apply the criteria as a whole.

The evidence that matters most

Pulmonary function test numbers (FEV-1, FEV-1/FVC) and the medication list — a daily inhaled steroid alone reaches 30%

C&P exam tips for Asthma

  1. 1Get pulmonary function tests (PFTs/spirometry) before the exam — FEV-1 and FEV-1/FVC are the primary rating drivers.
  2. 2Asthma is a PACT Act presumptive for veterans with burn pit exposure — if you deployed to Southwest Asia after August 1990, claim it as presumptive.
  3. 3Document all inhalers and oral steroids — medication burden directly maps to rating levels.
  4. 4Bring records of ER visits and hospitalizations for asthmatic attacks.
  5. 5Describe triggers: exercise, smoke, chemical exposure, dust, cold air — these help establish service connection.

Common mistakes on Asthma claims

  • Not getting spirometry before the exam — without objective FEV-1 data, the rating defaults to the lowest tier.
  • Not claiming asthma as a PACT Act / burn pit presumptive when eligible.
  • Not documenting oral steroid use — at least three courses of systemic steroids per year support 60%, and daily high-dose systemic steroids or immunosuppressants support 100%.
  • Failing to claim secondary conditions: sinusitis, GERD from asthma medications, sleep disruption.

Frequently asked questions

What diagnostic code does the VA use for Asthma?

Asthma is rated under 38 CFR § 4.97, DC 6602 — diagnostic code 6602.

What is the highest schedular VA rating for Asthma?

100% is the highest level in the rating schedule for Asthma. The criteria at that level describe: 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.

How much does a 100% VA rating for Asthma pay in 2026?

$3,938.58 per month, tax-free, for a veteran with no dependents (rates effective December 1, 2025) — more with a spouse, children, or dependent parents. If you have other rated conditions, the VA combines ratings using its own math rather than adding them.

Can Asthma be claimed as a secondary condition?

Yes — veterans commonly file Asthma secondary to GERD / Acid Reflux, Chronic Sinusitis / Rhinitis under 38 C.F.R. § 3.310. What carries a secondary claim is a medical nexus opinion connecting it to the service-connected condition.

Build your Asthma claim documentation

Your first claim builds free, on screen — a personal statement mapped to these criteria and a cited draft medical opinion. No card to sign up.

Educational information about the rating schedule — not legal or medical advice, never a prediction or promise of any rating, and not affiliated with the VA.

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