Hydronephrosis
The VA rates Hydronephrosis under Diagnostic Code 7509 across 3 severity levels, from 10% to 30%. The 30% maximum means additional ratings through secondary conditions or combined ratings are critical for higher compensation.
Rating schedule — DC 7509 at a glance
- Minimum rating
- 10%
- Maximum rating
- 30%
- Rating tiers
- 3
- CFR section
- § 4.115b
- Body system
- Genitourinary System
- Secondary conditions
- 0
Lowest schedular rating available
TDIU may raise effective compensation to 100%
10%, 20%, 30%
Part 4 rating schedule
None mapped
What are the VA rating criteria for Hydronephrosis?
| Rating | Criteria |
|---|---|
| 10% | Only an occasional attack of colic, not infected and not requiring catheter drainage |
| 20% | Frequent attacks of colic, requiring catheter drainage |
| 30% | Frequent attacks of colic with infection (pyonephrosis), kidney function impaired |
“Frequent attacks of colic, requiring catheter drainage”
Common Questions About Hydronephrosis VA Ratings
What is the VA rating range for Hydronephrosis?
The VA rates Hydronephrosis under Diagnostic Code 7509 at 10%, 20%, 30%. The minimum 10% rating requires: Only an occasional attack of colic, not infected and not requiring catheter drainage. The maximum 30% rating requires: Frequent attacks of colic with infection (pyonephrosis), kidney function impaired.
Which 38 CFR diagnostic code does the VA use for Hydronephrosis?
The VA rates Hydronephrosis under Diagnostic Code (DC) 7509, governed by 38 CFR 38 CFR § 4.115b. The diagnostic code establishes the specific rating tiers and severity criteria the VA examiner applies.
What is the difference between a 10% and a 30% rating for Hydronephrosis?
A 10% rating requires: Only an occasional attack of colic, not infected and not requiring catheter drainage. A 30% rating requires: Frequent attacks of colic with infection (pyonephrosis), kidney function impaired. The difference typically reflects the frequency, severity, or functional impact of the condition as documented in medical records and C&P examination findings.
Can Hydronephrosis qualify for TDIU?
Hydronephrosis maxes at 30%, well below the single-disability TDIU threshold. However, combined with other service-connected disabilities, TDIU may be achievable under 38 CFR § 4.16. Focus on establishing secondary conditions to increase the combined rating.
What evidence supports a higher rating for Hydronephrosis?
The key evidence for Hydronephrosis is documentation of how the condition affects daily functioning. Treatment records showing worsening symptoms, functional limitations documented by your provider, and buddy statements describing observable impact on daily life all strengthen the claim. A nexus letter from a qualified medical professional linking the current severity to service is essential for contested claims.
What happens at the C&P exam for Hydronephrosis?
The C&P examiner uses a Genitourinary System DBQ and evaluates your condition against the DC 7509 rating criteria. The examiner documents symptom frequency, severity, and functional impact. Bring all treatment records and describe your worst days, not your best — the VA rates on the full clinical picture across time, not a snapshot of one good day.
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