Vitamin D – Test for levels of the calciferol group, which is important in promoting bone strength.

Vitamin B12 – Test for levels of cobalamin, important in formation of blood cells and nervous system function.

Serum Protein – Test for levels of several types of protein and albumin. This test screens for multiple disease states, including kidney problems, immune disorders, liver disease and multiple myeloma.

Thyroid hormone levels (T3, T4, TSH) – Test for levels of thyroid hormones and the thyroid stimulating agent. These tests evaluate the function of the thyroid gland.