A condition causing excessive thirst and urination due to the body's inability to regulate water balance.
To support a 30% rating for the initial three-month period, medical records showing when you were first diagnosed with diabetes insipidus are central. The date of diagnosis establishes the start and end of that period. To support a 10% rating after the initial period, records that document persistent polyuria — such as lab results, urine output measurements, or clinical notes describing ongoing excessive urination — are relevant. Records showing that you have been prescribed and are taking continuous hormonal therapy, such as prescription histories or treatment notes from your care team, also directly reflect that criterion. Statements from you or people who know you describing how frequent urination affects your sleep, work, or daily activities can help illustrate the ongoing nature of your symptoms. If the condition has resolved but left residual problems, those would need to be documented under the body system they affect.
Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.
