High 1,25-Dihydroxy Vitamin D Test: Causes, Calcium Balance, Granulomatous Disease, and Meaning
A high 1,25-dihydroxy vitamin D test means the active hormone form of vitamin D, also called calcitriol, is above the lab’s reference range. This...
High 25-Hydroxy Vitamin D Test: Causes, Toxicity, Calcium Risk, and Meaning
A high 25-hydroxy vitamin D test means the main storage form of vitamin D in the blood is above the expected range. This result...
High Calcium Blood Test: Causes, Symptoms, Hypercalcemia, and Meaning
A high calcium blood test means the calcium level in the blood is above the lab’s reference range. The medical term is hypercalcemia. Sometimes...
High Ceruloplasmin Blood Test: Causes, Inflammation, Copper, and Meaning
Ceruloplasmin is a copper-binding protein made mainly in the liver. A high ceruloplasmin blood test means the amount of this protein in the blood...
High Chromium Blood Test: Causes, Exposure, Toxicity, and Meaning
A high chromium blood test means the measured chromium level is above the laboratory’s reference range. The result usually points to recent or ongoing...
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...