The serum iron four items test is generally used to check the serum ferritin, usually used for detecting the type of anemia, tumor marker tests, etc.

The serum iron four items test is generally aimed at the detection of iron element diseases, usually including the serum ferritin, serum total iron-binding capacity, transferrin saturation, and serum iron tests. Since the iron content in the blood is relatively high, these four tests are also known as the serum iron four items test. Through the serum iron four items test, the iron content in the blood can be determined, the type of anemia can be judged, and at the same time, it can be combined with other tests to determine whether there are tumor markers in the body.

Fasting is required when checking the serum iron four items to avoid affecting the effectiveness of the test.