umls-concept:C0020625 | skos:definition | MSH: Deficiency of sodium in the blood; salt depletion. (Dorland, 27th ed),CSP: abnormally low sodium levels in the blood; salt depletion.,NCI: A disorder characterized by laboratory test results that indicate a low concentration of sodium in the blood.,NCI: Lower than normal levels of sodium in the circulating blood. | lld:umls |