Nocturia
Nocturia Classification and external resources ICD-10 R35 ICD-9-CM 788.43 Patient UK Nocturia MeSH D053158 [edit on Wikidata] Nocturia (derived from Latin nox, night , and Greek [τα] ούρα, urine ), also called nycturia (Greek νυκτουρία ), is defined by the International Continence Society (ICS) as “the complaint that the individual has to wake at night one or more times for voiding ( i.e. to urinate ).” [1] Its causes are varied and, in many patients, difficult to discern. [2] Diagnosing nocturia requires knowing the patient's nocturnal urine volume (NUV). The ICS defines NUV as “the total volume of urine passed between the time the individual goes to bed with the intention of sleeping and the time of waking with the intention of rising.” [3] Thus, NUV excludes the last void before going to bed, but includes the first morning void if the urge to urinate woke the patient. Although not e...
