High Cobalt Blood Test: Causes, Exposure, Toxicity, and Meaning
A high cobalt blood test means cobalt in the bloodstream is above the expected reference range, most often from a metal implant, workplace exposure,...
High Copper Blood Test: Causes, Toxicity, Inflammation, and Meaning
A high copper blood test means the amount of copper measured in your serum or plasma is above that lab’s reference range. In adults,...
High Ferritin and Low TSAT: Inflammation, Iron Restriction, and Meaning
High ferritin with low transferrin saturation usually means iron is present in storage, but not enough is circulating and available for red blood cell...
High Ferritin and Normal Iron: Inflammation, Liver, and Iron Overload Patterns
Ferritin and serum iron can look confusing when they move in different directions. A high ferritin result suggests that the body has more ferritin...
High Ferritin Blood Test: Causes, Inflammation, Iron Overload, and Meaning
Ferritin is a protein that stores iron inside your cells, and a ferritin blood test gives a rough picture of how much stored iron...
High Folate Blood Test: Causes, Supplements, B12 Masking, and Meaning
A high folate blood test usually means there is more folate circulating in your blood than the lab expects, most often from supplements, prenatal...
High Hepcidin Blood Test: Causes, Inflammation, Iron Restriction, and Meaning
A high hepcidin blood test usually means the body is holding iron back from the bloodstream. Hepcidin is a hormone made mainly by the...
High Iodine Blood Test: Causes, Excess Intake, Thyroid Risk, and Meaning
A high iodine blood test usually means there has been recent or ongoing iodine exposure from supplements, iodine-rich foods, medicines, antiseptics, or iodinated contrast....
High Magnesium Blood Test: Causes, Kidney Disease, Toxicity, and Meaning
A high magnesium blood test means the amount of magnesium circulating in the blood is above the lab’s reference range. Mild elevations are often...
High Manganese Blood Test: Causes, Exposure, Toxicity, and Meaning
A high manganese blood test means there is more manganese circulating in the blood than expected for the lab’s reference range. Manganese is an...
High Molybdenum Blood Test: Causes, Excess Intake, and Meaning
Molybdenum is an essential trace mineral, but the body needs only tiny amounts. A high molybdenum blood test means the measured level is above...
High Osteocalcin Blood Test: Causes, Bone Turnover, and Meaning
Osteocalcin is a protein made mainly by osteoblasts, the cells that build new bone. When a blood test shows high osteocalcin, it usually means...
High Phosphorus Blood Test: Causes, Kidney Disease, Bone Health, and Meaning
A high phosphorus blood test means there is more phosphate in the blood than expected. Phosphate is the form of phosphorus measured in blood,...
High Selenium Blood Test: Causes, Toxicity, Excess Intake, and Meaning
A high selenium blood test usually means your recent selenium intake is higher than expected, most often from supplements, frequent Brazil nut intake, or...
High Serum Iron Test: Causes, Iron Overload, Liver Disease, and Meaning
A high serum iron result means the amount of iron circulating in the blood was above the lab’s reference range at the time your...
High Total Iron-Binding Capacity (TIBC) Test: Causes, Iron Deficiency, Pregnancy, and Meaning
A high total iron-binding capacity (TIBC) test usually means your blood has more available iron-carrying capacity than expected. In everyday terms, your body has...
High Transferrin Blood Test: Causes, Iron Deficiency, Pregnancy, and Meaning
A high transferrin blood test usually means the body has increased its iron-carrying capacity. Transferrin is a protein made mainly by the liver, and...
High Transferrin Saturation (TSAT) Test: Causes, Iron Overload, Hemochromatosis, and Meaning
Transferrin saturation, often shortened to TSAT, shows how much of the blood’s iron-carrying capacity is currently filled with iron. A high TSAT result can...
High Unsaturated Iron-Binding Capacity (UIBC) Test: Causes, Iron Deficiency, and Meaning
Unsaturated iron-binding capacity, or UIBC, shows how much spare iron-carrying capacity remains in your blood. A high UIBC usually means many transferrin binding sites...
High Vitamin A (Retinol) Test: Causes, Toxicity, Symptoms, and Meaning
A high vitamin A blood test means the retinol level in the blood is above the laboratory’s reference range. This can happen after taking...