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.

Myeloperoxidase Test: Vascular Risk and Its Limits

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Vascular Health Lab Interpretation 2026 Update Patient-Friendly MPO reflects immune-cell oxidative activity that can accompany vascular injury, but it is a context marker—not a diagnosis. Here is how clinicians place it beside lipids, blood pressure, glucose, kidney function, and symptoms. 📖 ~11 minutes 📅 September 12, 2026 📝 Published: September 12, 2026 🩺 Medically Reviewed: […]

Hepatitis B Symptoms: Why Jaundice Is Often Absent

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Hepatitis B Lab Interpretation 2026 Update Patient-Friendly Yellow eyes are not a reliable screening test for hepatitis B. The infection is frequently silent, and the right antibody and viral tests—not symptoms alone—establish what is happening. 📖 ~11 minutes 📅 September 11, 2026 📝 Published: September 11, 2026 🩺 Medically Reviewed: September 11, 2026 ✅ Evidence-Based […]

Urine Potassium Test: Low, High Results and Meaning

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Electrolytes Lab Interpretation 2026 Update Patient-Friendly Urine potassium shows whether the kidneys are conserving potassium appropriately or allowing too much to escape. The result becomes useful only when read alongside blood potassium, urine creatinine, acid-base status, medicines, and collection quality. 📖 ~11 minutes 📅 September 11, 2026 📝 Published: September 11, 2026 🩺 Medically Reviewed: […]

Urine Catecholamines: Collection, Results and Next Steps

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Endocrine Testing Lab Interpretation 2026 Update Patient-Friendly A 24-hour urine result can be useful, but only if the collection was complete and the laboratory has the medication and symptom context. Here is how clinicians separate a meaningful elevation from a misleading one. 📖 ~11 minutes 📅 September 11, 2026 📝 Published: September 11, 2026 🩺 […]

Fructosamine Test: When an A1c Result Is Unreliable

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Diabetes Testing Lab Interpretation 2026 Update Patient-Friendly A fructosamine test reflects average glucose over roughly 2 to 3 weeks and can be more trustworthy than A1c when red-cell lifespan has changed. It is especially useful after blood loss, transfusion, hemolysis, during pregnancy, or when glucose readings and A1c simply do not match. 📖 ~11 minutes […]

FIB-4 Score: Calculate Liver Fibrosis Risk From Labs

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Liver Health Lab Interpretation 2026 Update Patient-Friendly Your FIB-4 score uses four routine lab values to estimate the chance of advanced liver scarring. It is a useful triage tool, not a diagnosis—and context can change what the number means. 📖 ~11 minutes 📅 September 11, 2026 📝 Published: September 11, 2026 🩺 Medically Reviewed: September […]

HIV Viral Load Results: Copies, U=U and Test Timing

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HIV Care Lab Interpretation 2026 Update Patient-Friendly An HIV RNA result measures how much virus is circulating, chiefly to confirm that treatment is working. The number matters, but its trend, assay limit, timing and treatment history matter more. 📖 ~11 minutes 📅 September 11, 2026 📝 Published: September 11, 2026 🩺 Medically Reviewed: September 11, […]

Low Total Iron Binding Capacity: Symptoms and Causes

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Iron Studies Lab Interpretation 2026 Update Patient-Friendly A low TIBC result rarely causes symptoms by itself. The symptoms come from the condition changing transferrin production, iron handling, or protein balance. 📖 ~11 minutes 📅 September 10, 2026 📝 Published: September 10, 2026 🩺 Medically Reviewed: September 10, 2026 ✅ Evidence-Based This guide was written under […]

Low eGFR Symptoms: Urgent Signs and Next Steps

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Kidney Health Lab Interpretation 2026 Update Patient-Friendly A reduced eGFR commonly causes no symptoms at all. What matters is whether the change is sudden, persistent, paired with urine abnormalities, or accompanied by signs of fluid, electrolyte, or systemic illness. 📖 ~11 minutes 📅 September 10, 2026 📝 Published: September 10, 2026 🩺 Medically Reviewed: September […]

High Eosinophils Symptoms: Counts, Risks and Care

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Eosinophilia Lab Interpretation 2026 Update Patient-Friendly A raised eosinophil result often travels with allergy symptoms, but the absolute eosinophil count and the organs involved determine urgency. Here is how clinicians separate a routine follow-up from a same-day concern. 📖 ~11 minutes 📅 September 10, 2026 📝 Published: September 10, 2026 🩺 Medically Reviewed: September 10, […]