Blood urea test is used to evaluate liver and kidney function. So when is this test indicated and what does high blood urea mean?

The quantification of blood and urine urea is an essential diagnostic test frequently used to assess kidney function and metabolic conditions. There are various methods to measure blood urea levels, and each method may yield different results. Therefore, when diagnosing a condition, it is crucial to compare test results with the reference values of the specific machine used rather than comparing results between different machines.