Individual tests

Morphine is a substance that has analgesic properties but also causes sedation, euphoria, respiratory depression, and orthostatic hypotension. Chronic use can lead to tolerance and dependence. Clinical monitoring of compliance or illegal use measures these analytes.
Serum iron test measures the amount of iron in the blood. Transferrin test measures transferrin, a protein that moves iron throughout the body. Total iron-binding capacity (TIBC) measures how well iron attaches to transferrin and other proteins in the blood. These tests help to detect the cause of anemia relating to iron deficiency.
Transferrin is the main protein in the blood that binds to iron and transports it throughout the body. It may be used along with other iron tests to assess the amount of iron circulating in the blood, the total capacity of the blood to transport iron, and the amount of stored iron in the body. The test may also help differentiate between various causes of anemia.
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