When there is kidney damage or kidney disease, and the kidneys are not able to filter waste efficiently, there will likely be a rise in creatinine levels in the blood. For adults with kidney disease, dialysis is recommended when creatinine levels reach 10.0 mg/dL.
The two types of gallstones are cholesterol stones and pigment stones. Cholesterol stones are usually yellow-green and are made primarily of hardened cholesterol. They account for about 80 percent of gallstones. Pigment stones are small, dark stones made of bilirubin.
Gallstones are hard deposits that form inside the gallbladder. Gallstones may be as small as a grain of sand or as large as a golf ball. The cause of gallstones varies. There are two main types of gallstones: 1  Stones made of cholesterol. This is the most common type. Cholesterol gallstones are not related to cholesterol levels in the blood.  Stones made of bilirubin. These are called pigment stones. They occur when red blood cells are destroyed and too much bilirubin is in the bile.