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Fructosamine

  • Test
Fructosamine is formed when glucose combines with protein. A fructosamine test measures the level in the blood to help people with diabetes monitor and control their blood glucose levels when the A1c test cannot be used and/or a shorter-term monitoring window is desired.
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Fibrinogen

  • Test
Describes how the fibrinogen test is used as part of an investigation of a possible bleeding disorder or blood clot, when a fibrinogen test is ordered, and what the results of a fibrinogen test might mean
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Fecal Fat

  • Test
The fecal fat test may be used to help investigate the cause of persistent diarrhea and difficulty digesting food and absorbing nutrients.
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Iron

  • Test
Describes how the serum iron test is used, when the serum iron test is ordered, and what the results of a serum iron test might mean
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Factor V Leiden Mutation and PT 20210 Mutation

  • Test
Factor V Leiden mutation and PT 20210 mutation tests determine whether you have inherited a gene mutation that increases your risk of developing a harmful blood clot, including a deep venous thrombosis (DVT) or venous thromboembolism (VTE)
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Estrogens

  • Test
Learn how estrogen (estrone, estradiol, estriol) tests are used, when estrogen tests are ordered, and what the results of an estrogens test might mean
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Erythropoietin

  • Test
Erythropoietin (EPO) is a hormone made by the kidneys that plays a key role in production of red blood cells. An EPO test can help diagnose the cause of anemia or help identify people who need EPO replacement therapy.
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Electrolytes and Anion Gap

  • Test
The main electrolytes in your body are sodium, potassium, chloride, and bicarbonate. An electrolyte panel and anion gap help investigate conditions that cause electrolyte imbalances such as dehydration, kidney disease, lung diseases, or heart conditions.
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EGFR Mutation Testing

  • Test
Describes how epidermal growth factor receptor (EGFR) mutation testing is used, when EGFR mutation testing is ordered, and what the results of EGFR mutation testing might mean
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