Doctor’s Data, Inc. has served healthcare practitioners from its CLIA-licensed laboratory in St. Charles, Illinois since 1972. Originally founded as Bio Medical Data, it was among the first clinical reference laboratories to apply ICP-MS and high-resolution ICP-MS to essential and toxic elemental analysis, and it remains a specialist in multi-tissue metals and minerals work. The laboratory is a validated supplier of trace-element results for the European Commission Joint Research Centre and participates in CAP, CDC and other proficiency programmes. These profiles are used to assess recent or ongoing exposure, intracellular nutrient status, renal wasting, and—when clinically indicated—response to detoxification protocols. No single matrix answers every question. Combining specimen types gives a more complete picture of circulating load, cellular status, excretion and longer-term exposure. Whole Blood ElementsThe conventional standard for diagnosing lead, mercury and other metal toxicity, and for documenting recent or ongoing exposure. Whole blood captures both extracellular and intracellular circulating fractions. Blood levels rise and fall with current exposure (for example, blood lead has a half-life of roughly one month) and do not reliably reflect net tissue retention. RBC ElementsMeasures essential elements with important intracellular roles—magnesium, zinc, copper, selenium, chromium, manganese and others—plus toxic metals that preferentially accumulate in erythrocytes (arsenic, cadmium, lead, methylmercury, thallium). Cells are not washed, so membrane-bound calcium is retained. Useful for intracellular nutrient status, recent erythrocyte-bound exposure, and serial monitoring before and during chelation so mineral replacement can be adjusted. Urine Toxic Metals and Urine Essential ElementsUsed to evaluate current excretion of toxic metals and to monitor detoxification. Timed or 24-hour collections, creatinine-corrected, reduce dilution artefact. Comparison of pre- and post-chelator urine is the method many clinicians use to estimate retained burden and track treatment. Urinary essential elements are better interpreted as a window on renal wasting and mineral loss during mobilisation than as a standalone nutritional assessment; blood and RBC remain the stronger status tests. Hair Elements / Hair Toxic Element ExposureA non-invasive screen (approximately 0.25 g of hair) for recent and ongoing exposure—particularly methylmercury and arsenic—and for time-averaged nutrient-element patterns. Hair is an excretory tissue; some toxic metals concentrate far more highly than in blood or urine. The CDC recognises hair mercury as a marker of methylmercury exposure from fish. Results are a screening tool and should be read with history, symptoms and confirmatory blood or urine testing. Together, these Doctor’s Data panels let you match the specimen to the clinical question: current circulating exposure (whole blood), intracellular nutrients and erythrocyte-bound metals (RBC), excretion and protocol monitoring (urine), and longer-window exposure screening (hair). Test specifications Whole Blood ElementsSample type: Venous whole bloodKey markers: Lead, mercury, arsenic, cadmium, thallium, uranium, nickel, platinum, tungsten; calcium, magnesium, zinc, copper, selenium, chromium, manganese, molybdenum, vanadium, cobalt, lithium, barium, strontium Sample Report: Whole Blood Elements RBC Toxic & Essential ElementsSample type: Packed red blood cells (venous draw; cells unwashed)Key markers: Lead, mercury, arsenic, cadmium, thallium; magnesium, zinc, copper, selenium, iron, potassium, calcium, chromium, manganese, molybdenum, boron, caesium, phosphorusSample Report: RBC Toxic & Essential Elements Urine Toxic MetalsSample type: Urine — random / first-morning void, timed, or 24-hour (creatinine-corrected) Key markers: Mercury, lead, arsenic, cadmium, aluminium, antimony, nickel, thallium, uranium, gadolinium, beryllium, bismuth, platinum, tungsten, tin, barium, cesium, palladium, tellurium, thoriumSample Report: Urine Toxic Metals Urine Toxic Metals and Essential Elements Sample type: Urine — random / first-morning void, timed, or 24-hour (creatinine-corrected) Key markers: All Urine Toxic Metals markers above, plus zinc, copper, magnesium, selenium, manganese, molybdenum, chromium, calcium, potassium, sodium, iron, lithium, boron, vanadium, strontium, sulfur, phosphorus, cobalt Sample Report: Toxic Metals & Essential Elements Hair Elements / Hair Toxic Element ExposureSample type: Scalp hair (~0.25 g)Key markers: Mercury, arsenic, lead, cadmium, aluminium, antimony, nickel, thallium; zinc, copper, magnesium, selenium, calcium, iodine, chromium, manganese, iron, plus an expanded toxic lineup on the Hair Toxic Element Exposure profile (including gadolinium, tungsten, gold, palladium)Sample: Report Hair Turnaround Time: 2 Weeks
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