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Evidence checklist

Diabetes Insipidus

DC 790938 CFR § 4.119Endocrine

Evidence strength

Mark what you already have below and your evidence strength appears here.

Target
Saved locally
01

Specialist opinion

Highest value0 of 2 collected
Endocrinology or neurology evaluation and treatment recordsCritical

Records documenting type (central vs. nephrogenic), cause (TBI, surgery, sarcoidosis), and desmopressin management.

Private provider · independent opinion
Nexus opinion linking DI to service (e.g., TBI, in-service head injury)Critical

Medical opinion connecting central DI to in-service traumatic brain injury, surgery, or infiltrative disease acquired during service.

Private provider · independent opinion
02

Diagnostic tests and lab results

0 of 2 collected
Water deprivation test and vasopressin response resultsCritical

The definitive diagnostic test for diabetes insipidus documenting inability to concentrate urine and response (or lack thereof) to desmopressin.

Imaging or lab facility · records request
Brain MRI (if central DI) documenting pituitary/hypothalamic pathology

MRI findings relevant to central diabetes insipidus, such as absence of posterior pituitary bright spot.

Imaging or lab facility · records request
03

Lay statements

0 of 2 collected
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.

You or a witness · VA Form 21-4138 or 21-10210How to get this →
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.

You or a witness · VA Form 21-4138 or 21-10210How to get this →
04

Service records

0 of 1 collected
Service treatment records (STRs)Critical

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

NPRC / milConnect · SF-180
Condition guideRating criteria and what VA looks forC&P exam prepWhat the examiner will askBuddy statement builderGuided VA Form 21-10210

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