umls-concept:C0019048 | skos:definition | MSH: The presence of free HEMOGLOBIN in the URINE, indicating hemolysis of ERYTHROCYTES within the vascular system. After saturating the hemoglobin-binding proteins (HAPTOGLOBINS), free hemoglobin begins to appear in the urine.,CSP: presence of free hemoglobin in the urine.,NCI: A disorder characterized by laboratory test results that indicate the presence of free hemoglobin in the urine.,NCI: A laboratory test result which indicates free hemoglobin in the urine. | lld:umls |