尿液鈉上升:鈉攝取增加、月經後期多尿、腎上腺衰竭(Na >10 mmol/L)、鹽流失腎炎(Na
尿液: 24小時尿液: 40~220 Random urine: < 40Y Female (15-267) ≧40Y Female (15-237) < 40Y Male (25-301) ≧40Y Male (18-214)