Yes: a urine test for albumin and a blood test for creatinine. The results of the creatinine blood test should be used to estimate glomerular filtration rate (GFR), which is a measure of your level of kidney function.
Hives and swelling are considered to be different expressions of the same problem. Hives occur mostly on the arms, legs and torso, while swelling occurs around the lips, eyes, hands feet and genitals and can involve the tongue and throat. It is simply that the skin and mucous membranes in different areas swell in different ways. How long the problem has been ongoing is also important.
Some chemotherapy drugs can cause fluid retention in the body. This form of cancer swelling is most noticable in the feet, ankles, hands, and face. Swelling or angioedema may also occur with hives as part of an allergic reaction. It is a vascular reaction that causes an increased ability for fluid in the cells to leak into the layers of the skin, resulting in swelling.