AFP testing involves a simple blood test, where a sample of blood is collected from a vein, usually in the arm. The blood sample is then sent to a laboratory for analysis, where the AFP level is measured using various techniques, such as enzyme-linked immunosorbent assay (ELISA) or chemiluminescent immunoassay (CLIA).
Interpretation of AFP levels must be done in conjunction with other clinical and diagnostic findings. While elevated AFP levels can suggest the presence of certain conditions, including liver cancer, further imaging studies, such as ultrasound, CT scan, or MRI, are often needed to confirm the diagnosis.
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