ICD-9-CM 783.5 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 783.5 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Chronic excessive intake of water; it may be from an organic cause, such as the dehydration of diabetes mellitus, diabetes insipidus, or a reaction to medication, or from a psychological cause. When untreated it can lead to water intoxication
Excessive thirst manifested by excessive fluid intake. It is characteristic of many diseases such as diabetes mellitus; diabetes insipidus; and nephrogenic diabetes insipidus. The condition may be psychogenic in origin
Noncontingent excessive drinking behavior usually produced and maintained by operant schedules of reinforcement involving food as a reinforcer. Also used for disordered human populations