Larynx, stenosis of, including residuals of laryngeal trauma (unilateral or bilateral) DC 6520
VA rates it under diagnostic code 6520 in 38 CFR 4.97. Body system: Breathing & sleep.
How VA rates it
The schedule allows 4 rating levels for this code: 10%, 30%, 60%, and 100%. VA picks the level whose criteria best match your symptoms and records.
Source: 38 CFR 4.97 on eCFR. Read the full criteria there before you file.
Rating levels and criteria
| Rating | What the schedule says |
|---|---|
| 100% | Forced expiratory volume in one second (FEV-1) less than 40 percent of predicted value, with Flow-Volume Loop compatible with upper airway obstruction, or; permanent tracheostomy |
| 60% | FEV-1 of 40- to 55-percent predicted, with Flow-Volume Loop compatible with upper airway obstruction |
| 30% | FEV-1 of 56- to 70-percent predicted, with Flow-Volume Loop compatible with upper airway obstruction |
| 10% | FEV-1 of 71- to 80-percent predicted, with Flow-Volume Loop compatible with upper airway obstruction |
Criteria text from 38 CFR 4.97, eCFR as of November 10, 2026. The eCFR is the official source if anything here differs.
Notes in the schedule (1)
Note: Or evaluate as aphonia (DC 6519).
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Rating schedule data as of November 10, 2026. Secondary and presumptive links checked November 13, 2026.
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