Diagnostic code
Diagnostic Code 7508: Nephrolithiasis (Kidney Stones) Rating Criteria
- CFR section
- 38 CFR § 4.115b
- Rating range
- 0% to 30%
- Rating levels
- 4
- Body system
- Genitourinary system
The VA rates Nephrolithiasis (Kidney Stones) under diagnostic code 7508 in 38 CFR § 4.115b. The table below is the full set of rating criteria, from the schedule itself, with the evidence factors raters look for at each level.
DC 7508 rating criteria
| Rating | Criteria |
|---|---|
| 0% | Asymptomatic without recurrence What raters look forasymptomatic |
| 10% | Recurrent stone formation requiring diet therapy or drug therapy or invasive/non-invasive procedures more than 2 times per year What raters look forrecurrent stones; diet therapy; procedures 2+/year |
| 20% | Recurrent stone formation requiring one or more of the following: diet therapy, drug therapy, and invasive/non-invasive procedures more than 2 times per year What raters look formultiple therapies; frequent procedures |
| 30% | Frequent attacks of colic with infection (pyonephrosis) requiring catheter drainage What raters look forfrequent colic; infection; catheter drainage |
Condition guide
The rating criteria are only part of the picture for Kidney Stones (Nephrolithiasis). The Kidney Stones (Nephrolithiasis) condition page covers service connection, common evidence problems, secondary conditions, and Board outcome patterns in depth.
Frequently asked questions
What is VA diagnostic code 7508?
Diagnostic code 7508 is the VA rating schedule entry for Nephrolithiasis (Kidney Stones), found in 38 CFR § 4.115b. The VA assigns this code when it rates the condition and applies the criteria listed on this page.
What ratings are possible under DC 7508?
DC 7508 provides ratings of 0%, 10%, 20%, 30%. The percentage depends on which criteria your medical evidence documents, not on the diagnosis alone.
What does the highest rating under DC 7508 require?
The 30% rating for Nephrolithiasis (Kidney Stones) requires: Frequent attacks of colic with infection (pyonephrosis) requiring catheter drainage.
Other genitourinary system codes
All VA diagnostic codes →- DC 7502Chronic Nephritis / Kidney Disease
- DC 7512Cystitis, Chronic (includes recurrent UTI)
- DC 7522Erectile Dysfunction / Penis Deformity
- DC 7523Testis. Atrophy
- DC 7527Prostate. BPH / Cancer
- DC 7528Malignant Neoplasms. Genitourinary
- DC 7542Neurogenic Bladder / Voiding Dysfunction
- DC 7599Chronic Kidney Disease