Dr. Thomas Klein is a board-certified clinical hematologist serving as Chief Medical Officer at Kantesti AI. With over 15 years of experience in laboratory medicine and a strong interest in AI-supported interpretation of blood test results, he works to connect new technology with everyday clinical practice. His areas of interest include biomarker analysis, clinical decision support research and population-specific reference range optimization. As CMO, he contributes clinical input to the platform's internal benchmarking and provides clinical oversight for the medical quality of Kantesti's educational reports.

FSH Levels by Age: Normal Ranges and Fertility Clues

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Hormone Testing Lab Interpretation 2026 Update Patient-Friendly FSH changes with age, sex, cycle phase, and hormone therapy, so one cutoff can mislead. As of April 11, 2026, the most useful reading is age-specific: puberty is low and pulsatile, reproductive day-3 values are usually 3-10 IU/L, and postmenopausal results often rise above 25 IU/L. 📖 ~11 […]

High Basophils in Blood Test: Causes and Red Flags

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Hematology Lab Interpretation 2026 Update Patient-Friendly Seeing basophils flagged high on a CBC differential is unsettling. Most cases are mild and non-cancerous, but the absolute count, repeat trend, and neighboring CBC markers decide how much attention it needs. 📖 ~11 minutes 📅 April 11, 2026 📝 Published: April 11, 2026 🩺 Medically Reviewed: April 11, […]

MCV Blood Test: Low, High, and What Cell Size Means

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CBC Index Lab Interpretation 2026 Update Patient-Friendly The MCV blood test tells you the average size of your red blood cells. In adults, 80-100 fL is typical; below 80 fL suggests microcytosis, above 100 fL suggests macrocytosis, and the next useful tests usually depend on ferritin, iron saturation, B12, folate, reticulocytes, thyroid, kidney, and liver […]

Electrolyte Panel: What Sodium, Potassium and CO2 Mean

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Electrolytes Lab Interpretation 2026 Update Patient-Friendly This smaller chemistry test answers a big question: are your body fluids, salts, and acid-base balance behaving normally? The value comes from reading sodium, potassium, chloride, and CO2 as a pattern, not one result at a time. 📖 ~11 minutes 📅 April 10, 2026 📝 Published: April 10, 2026 […]

High Bilirubin With Normal Liver Enzymes: Meaning

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Liver Labs Lab Interpretation 2026 Update Patient-Friendly A mildly high bilirubin result with normal ALT, AST, and ALP is often benign, but not always. The fraction of bilirubin, your symptoms, and a few overlooked clues usually tell the real story. 📖 ~11 minutes 📅 April 10, 2026 📝 Published: April 10, 2026 🩺 Medically Reviewed: […]

LDL Cholesterol High but HDL Normal: What It Means

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Cholesterol Lab Interpretation 2026 Update Patient-Friendly A normal HDL result often reassures people too much. What matters is whether your LDL pattern reflects excess ApoB particles, genetics, diet response, or a secondary medical cause. 📖 ~11 minutes 📅 April 10, 2026 📝 Published: April 10, 2026 🩺 Medically Reviewed: April 10, 2026 ✅ Evidence-Based This […]

T3 T4 Levels: Why Low T3 Can Happen With Normal TSH

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Thyroid Health Lab Interpretation 2026 Update Patient-Friendly A normal TSH can coexist with low T3 for reasons that have little to do with permanent thyroid failure. I’ll show you how I sort conversion issues, illness effects, assay noise, and the few patterns that deserve a fuller workup. 📖 ~11 minutes 📅 April 10, 2026 📝 […]

Blood Test Near Me: How to Choose a Reliable Local Lab

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Lab Selection Lab Interpretation 2026 Update Patient-Friendly The closest lab is not always the safest one. For a routine blood test or annual blood test, sample handling, accreditation, turnaround, and honest pricing matter more than postcode. 📖 ~10-12 minutes 📅 April 10, 2026 📝 Published: April 10, 2026 🩺 Medically Reviewed: April 10, 2026 ✅ […]

Blood Test Results Explained: Dehydration False Highs

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Hydration Science Lab Interpretation 2026 Update Patient-Friendly A dry sample can look like kidney trouble or a high CBC. Here is how we tell hemoconcentration from a true abnormality before repeating the draw. 📖 ~11 minutes 📅 April 10, 2026 📝 Published: April 10, 2026 🩺 Medically Reviewed: April 10, 2026 ✅ Evidence-Based This guide […]

Executive Health Panel: Included Tests and Who Benefits

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Preventive Screening Lab Interpretation 2026 Update Patient-Friendly Premium screening can be useful, but only if you know which labs actually change care. This is the practical breakdown I give patients when they are deciding whether a high-end panel is worth paying for. 📖 ~11 minutes 📅 April 9, 2026 📝 Published: April 9, 2026 🩺 […]