BUN; BUN:creatinine ratio; calcium, serum, carbon dioxide, total; chloride, creatinine, glucose, serum; potassium, sodium The BMP is often ordered in the hospital emergency room setting because its components give doctors important information about the current status of your kidneys, electrolyte and acid/base balance, blood sugar, and calcium levels. Significant changes in these test results can indicate acute problems, such as kidney failure, insulin shock or diabetic coma, and respiratory distress.