azotemia
Medical term for elevated nitrogen-containing compounds (urea, creatinine) in the blood, often indicating impaired kidney function.
Azotemia can indicate decreased kidney function.
Azotemia was observed in the blood test.
尿毒症 (uremia) is a more severe condition where azotemia leads to systemic symptoms; 高窒素血症 is the biochemical finding itself.
Compound of 高 (high), 窒素 (nitrogen), 血 (blood), and 症 (condition/disease), literally 'high nitrogen blood condition'.