Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis DC 7508
VA rates it under diagnostic code 7508 in 38 CFR 4.115b. Body system: Other.
Also searched as: kidney stones.
How VA rates it
The schedule allows 7 rating levels for this code: 0%, 10%, 20%, 30%, 60%, 80%, and 100%. VA picks the level whose criteria best match your symptoms and records.
Source: 38 CFR 4.115b on eCFR. Read the full criteria there before you file.
Rating levels and criteria
The schedule rates this as DC 7509 (Hydronephrosis).
| Rating | What the schedule says |
|---|---|
| 30% | Rate as hydronephrosis, except for recurrent stone formation requiring invasive or non-invasive procedures more than two times/year |
Criteria text from 38 CFR 4.115b, eCFR as of November 10, 2026. The eCFR is the official source if anything here differs.
Presumptive rules that include it
If your service matches one of these, VA presumes the link to service and you do not need a medical opinion connecting it.
Chronic diseases that show up within a year of discharge
Covered: Kidney or bladder stones.
Time limit: At least 10% disabling within 1 year of discharge.
Who qualifies: 90 days or more of continuous active service during a war period or after December 31, 1946, and the disease reached at least 10% disabling within 1 year of leaving service (3 years for tuberculosis and Hansen's disease, 7 years for multiple sclerosis).
38 CFR 3.307(a)(3) and 3.309(a). Sources: 38 CFR 3.307; 38 CFR 3.309; VA M21-1, Part V, Subpart iii, Chapter 2, Section B: Conditions of the auditory system
Related medications
Medications that can cause or worsen it
If you take one of these for a service-connected condition, this condition may be claimable as secondary to that condition. You need a diagnosis, your prescription records, and a medical opinion.
Topiramate (Topamax, Trokendi) Established link
Kidney stones are a labeled side effect of topiramate.
Sources: FDA label: Topiramate (DailyMed)
Zonisamide (Zonegran, Zonisade) Established link
Kidney stones are a labeled side effect of zonisamide.
Sources: FDA label: Zonisamide (DailyMed)
Check your claim
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Rating schedule data as of November 10, 2026. Secondary and presumptive links checked November 13, 2026.
Not affiliated with the VA. VA decides ratings. Free help from an accredited VSO is available at no cost.