This reference uses VA rating codes. For a code from a medical record, check ICD-10-CM and the service date. A clinical code alone does not establish a VA rating or a matching VA diagnostic code.
Hydronephrosis
Genitourinary · 38 CFR § 4.115b
Diagnostic Code 7509 is the VASRD entry for Hydronephrosis. VA applies the controlling criteria, shared formulas, and special instructions shown in 38 CFR Part 4. VMC presents this material for education and reference; it does not determine a Veteran's diagnosis, service connection, or evaluation.
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Source-verified VASRD criteria
How VA rates this diagnostic code
These percentages summarize the regulatory criteria already mapped to this diagnostic code. They do not predict a Veteran's individual evaluation or establish service connection.
Frequent attacks of colic with infection (pyonephrosis), kidney function impaired
Frequent attacks of colic, requiring catheter drainage
Only an occasional attack of colic, not infected and not requiring catheter drainage
Source-verified VASRD criteria
How VA rates this — Renal dysfunction
These percentages summarize the regulatory criteria already mapped to this diagnostic code. They do not predict a Veteran's individual evaluation or establish service connection.
Chronic kidney disease with glomerular filtration rate (GFR) less than 15 mL/min/1.73 m 2 for at least 3 consecutive months during the past 12 months; or requiring regular routine dialysis; or eligible kidney transplant recipient
Chronic kidney disease with GFR from 15 to 29 mL/min/1.73 m 2 for at least 3 consecutive months during the past 12 months
Chronic kidney disease with GFR from 30 to 44 mL/min/1.73 m 2 for at least 3 consecutive months during the past 12 months
Chronic kidney disease with GFR from 45 to 59 mL/min/1.73 m 2 for at least 3 consecutive months during the past 12 months
GFR from 60 to 89 mL/min/1.73 m 2 and either recurrent red blood cell (RBC) casts, white blood cell (WBC) casts, or granular casts for at least 3 consecutive months during the past 12 months; or GFR from 60 to 89 mL/min/1.73 m 2 and structural kidney abnormalities (cystic, obstructive, or glomerular) for at least 3 consecutive months during the past 12 months; or GFR from 60 to 89 mL/min/1.73 m 2 and albumin/creatinine ratio (ACR) ≥30 mg/g for at least 3 consecutive months during the past 12 months
Special rating instructions
- Severe; Rate as renal dysfunction.
- Severe; Rate as renal dysfunction.
Regulatory notes
- Note: GFR, estimated GFR (eGFR), and creatinine-based approximations of GFR will be accepted for evaluation purposes under this section when determined to be appropriate and calculated by a medical professional.
Body system and anatomy metadata
Body system: Genitourinary
Anatomy / region tags: genitourinary system
These tags support discovery and body-map compatibility. They do not establish Veteran-specific laterality or entitlement.
Official VA DBQ references
DBQ catalog: va-dbq-2026.09.16 · Retrieved 2026-09-16. Official VA inventory ↗
- Kidney Conditions ↗ Related resourceCatalog category: Genitourinary
Related by body system only. No reviewed condition-specific form match or requirement has been established.
- Male Reproductive Organ Conditions (Including Prostate Cancer) ↗ Related resourceCatalog category: Genitourinary
Related by body system only. No reviewed condition-specific form match or requirement has been established.
- Urinary Tract Conditions ↗ Related resourceCatalog category: Genitourinary
Related by body system only. No reviewed condition-specific form match or requirement has been established.
VA maintains some examination forms that are not available for public use. VMC does not infer a one-code-to-one-DBQ relationship.
Evidence information
When reviewing the criteria, useful evidence categories can include diagnosis and treatment records, objective testing identified by the schedule, documented frequency/duration/severity when the criteria use those concepts, and functional effects described in medical or lay evidence. The relevant evidence depends on the actual claim and medical facts.
VMC does not diagnose conditions, guarantee a percentage, or advise anyone to exaggerate symptoms.
Legal basis and source identification
38 CFR § 4.115b · Source current through 2026-08-06 · Verified 2026-08-10
Registry content release: vasrd-registry-2026.08.1