Analytical, Diagnostic and Therapeutic Techniques, and Equipment [E] » Diagnosis [E01] » Diagnostic Techniques and Procedures » Clinical Laboratory Techniques » Clinical Chemistry Tests » Blood Chemical Analysis » Blood Urea Nitrogen
Analytical, Diagnostic and Therapeutic Techniques, and Equipment [E] » Diagnosis [E01] » Diagnostic Techniques and Procedures » Diagnostic Techniques, Urological » Kidney Function Tests » Blood Urea Nitrogen
Analytical, Diagnostic and Therapeutic Techniques, and Equipment [E] » Investigative Techniques [E05] » Clinical Laboratory Techniques » Clinical Chemistry Tests » Blood Chemical Analysis » Blood Urea Nitrogen
Description
The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984) MeSH
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