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sodium (Na+) in 24 hour urine

Reference values: - 100-260 meq/24 hours (varies with dietary intake) - mean 24 hour urine sodium excretion is 3608 mg/day [3] Clinical significance: - 90% of dietary sodium is excreted in the urine [3] - 24 hour urine sodium is a reliable measure of dietary sodium

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Na+

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sodium (Na+) in timed urine 24 hour urine

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 11, American College of Physicians, Philadelphia 1998
  2. ARUP - Panel of 11 tests Laboratory Test Directory ARUP: 20498 - Panel of 29 tests Laboratory Test Directory ARUP: 20805 - Panel of 8 tests Laboratory Test Directory ARUP: 20851
  3. Cogswell ME, Loria CM, Terry AL et al Estimated 24-Hour Urinary Sodium and Potassium Excretion in US Adults. JAMA. Published online March 7, 2018 PMID: 29516104 https://jamanetwork.com/journals/jama/fullarticle/2674711 - Ix JH, Anderson CAM Measurements of 24-Hour Urinary Sodium and Potassium Excretion. Importance and Implications. JAMA. Published online March 7, 2018 PMID: 29516102 https://jamanetwork.com/journals/jama/fullarticle/2674710

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oral salt loading test salt loading test