DC 7508Genitourinary System38 CFR § 4.115bLast verified: APR 22, 2026

Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis

Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis is rated under 38 CFR 38 CFR § 4.115b, Diagnostic Code 7508, from 30% to 30% based on the frequency and functional severity of symptoms. The maximum 30% rating requires: Rate as hydronephrosis, except for recurrent stone formation requiring invasive or non-invasive procedures more than two times/year. Most claims establish the 30% or 30% rating before reaching the top tier.

Rating schedule — DC 7508 at a glance

Minimum rating
30%

Lowest schedular rating available

Maximum rating
30%

TDIU may raise effective compensation to 100%

Rating tiers
1

30%

CFR section
38 CFR § 4.115b

Part 4 rating schedule

Body system
Genitourinary System
Secondary conditions
0

None mapped

What are the VA rating criteria for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis?

30%Disability Rating

Rate as hydronephrosis, except for recurrent stone formation requiring invasive or non-invasive procedures more than two times/year

Rate as hydronephrosis, except for recurrent stone formation requiring invasive or non-invasive procedures more than two times/year

Common Questions About Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis VA Ratings

What is the VA rating range for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis?

The VA rates Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis under Diagnostic Code 7508 at 30%. The minimum 30% rating requires: Rate as hydronephrosis, except for recurrent stone formation requiring invasive or non-invasive procedures more than two times/year. The maximum 30% rating requires: Rate as hydronephrosis, except for recurrent stone formation requiring invasive or non-invasive procedures more than two times/year.

Which 38 CFR diagnostic code does the VA use for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis?

The VA rates Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis under Diagnostic Code (DC) 7508, governed by 38 CFR 38 CFR § 4.115b. The diagnostic code establishes the specific rating tiers and severity criteria the VA examiner applies.

Can Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis qualify for TDIU (Total Disability Individual Unemployability)?

Veterans rated for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis may qualify for TDIU if the condition — alone or in combination with other service-connected disabilities — prevents substantially gainful employment. A single disability rated at 60% or higher (or multiple disabilities combining to 70%, with one at 40%) can support a TDIU claim under 38 CFR § 4.16.

What evidence do I need to establish service connection for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis?

Service connection for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis requires three elements: (1) a current diagnosis of the condition, (2) an in-service event, injury, or disease, and (3) a medical nexus linking the current diagnosis to that in-service occurrence. A nexus letter from a treating or independent medical examiner is the most reliable nexus evidence.

What is the C&P exam like for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis?

A Compensation & Pension (C&P) exam for Nephrolithiasis/Ureterolithiasis/Nephrocalcinosis uses a Disability Benefits Questionnaire (DBQ) specific to the body system involved. The examiner documents the frequency, severity, and functional impact of your symptoms. Bring all relevant treatment records and be prepared to describe your worst-day symptoms — the examiner rates your condition based on the full clinical picture, not a single visit.

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