What other molecules in a patient's blood are monitored along with LDL and HDL?

In addition to HDL and LDL, Triglycerides are also monitored in a blood test as a precursor for coronary heart disease. Glucose levels can and will be monitored for the purpose of monitoring type 2 diabetes. Iron levels will almost always be checked as well because low iron levels can lead to anemia. And finally, red and white blood cells will also be checked for various causes, white blood cells could be checked as an indicator of viral infection. And red blood cells could be checked for anemia.

"What Do Blood Tests Show?" National Institutes of Health. U.S. Department of Health and Human Services, 6 Jan. 2012. Web. 21 Apr. 2017. <https://www.nhlbi.nih.gov/health/health-topics/topics/bdt/show>.