Evidence Checklist: Hydronephrosis

Urology evaluation and treatment recordsCritical

Records from a urologist documenting cause (obstruction, stone, stricture), kidney function impact, and treatment.

Nexus opinion linking hydronephrosis to service or service-connected conditionCritical

Medical opinion connecting hydronephrosis to military service, a service-connected cause (kidney stones, stricture from in-service catheterization), or toxic exposure.

Renal ultrasound or CT documenting hydronephrosis gradeCritical

Imaging confirming kidney dilation/hydronephrosis and grading severity (Grade I–IV), identifying the underlying cause.

Kidney function labs (BMP, creatinine, eGFR)

Lab results documenting impact of hydronephrosis on overall kidney function.

Buddy statement from spouse, family, or fellow service member

A written statement from someone who can describe observable symptoms and how your condition affects daily life.

Personal statement describing symptoms and functional impact

Your own written account of how this condition affects your daily activities, work, and relationships. Describe your worst days.

Service treatment records (STRs)Critical

Military medical records showing in-service treatment, complaints, or injuries related to this condition.