Iron is an essential trace element that is necessary for the production of healthy red blood cells (RBCs).
The serum iron test measures the amount of iron in the liquid portion of blood.
Serum iron tests are typically ordered as follow-up tests when abnormal results are found on routine tests such as a CBC. They may also be ordered when iron deficiency or iron overload is suspected.
Requirements: Fasting required (Please consult your physician). To fast for blood work, do not eat anything for 8 to 12 hours before the test. It’s best to schedule fasting blood work for the morning, so that you don’t have to spend the whole day hungry. If fasting is not done before blood work, the results of the blood tests may be inaccurate.
CPT Code: 83540
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