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.

What Low Prolactin Means: Causes, Symptoms, Next Steps

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Hormone Testing Lab Interpretation 2026 Update Patient-Friendly Low prolactin is less common than high prolactin, and the meaning depends heavily on timing, medicines, pregnancy status, and the rest of the pituitary panel. 📖 ~11 minutes 📅 May 5, 2026 📝 Published: May 5, 2026 🩺 Medically Reviewed: May 5, 2026 ✅ Evidence-Based This guide was […]

Normal Range for C-Peptide: Insulin Production Clues

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Diabetes Labs Lab Interpretation 2026 Update Patient-Friendly C-peptide is often the missing insulin-production clue when glucose, A1c, or insulin prescriptions make the diabetes picture look confusing. 📖 ~10-12 minutes 📅 May 5, 2026 📝 Published: May 5, 2026 🩺 Medically Reviewed: May 5, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. […]

Long COVID Blood Test: Markers Doctors Check First

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Long COVID Lab Interpretation 2026 Update Patient-Friendly Long COVID is usually diagnosed by timing, symptoms, and exclusion of other causes. Blood tests help doctors find treatable patterns hiding underneath fatigue, breathlessness, palpitations, pain, or brain fog. 📖 ~11 minutes 📅 May 4, 2026 📝 Published: May 4, 2026 🩺 Medically Reviewed: May 4, 2026 ✅ […]

Blood Test for Office Workers: Desk Job Health Clues

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Desk Job Health Lab Interpretation 2026 Update Patient-Friendly Desk work changes lab patterns long before symptoms appear. The useful panel is not bigger; it is more targeted to sitting, indoor life, stress, and metabolic drift. 📖 ~11 minutes 📅 May 4, 2026 📝 Published: May 4, 2026 🩺 Medically Reviewed: May 4, 2026 ✅ Evidence-Based […]

Blood Test for Digital Nomads: Travel Lab Checklist

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Travel Health Lab Interpretation 2026 Update Patient-Friendly A practical lab plan for remote workers moving between climates, cuisines, time zones, and healthcare systems. Written for people who need continuity when their doctor is 6,000 miles away. 📖 ~10-12 minutes 📅 May 4, 2026 📝 Published: May 4, 2026 🩺 Medically Reviewed: May 4, 2026 ✅ […]

Blood Test for Nosebleeds: CBC, PT/INR and Iron

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Epistaxis Labs CBC Interpretation 2026 Update Patient-Friendly Frequent epistaxis is usually local — dry mucosa, trauma, sprays, allergies — but the right lab panel can catch platelet problems, anticoagulant excess and early iron loss before hemoglobin falls. 📖 ~11 minutes 📅 May 4, 2026 📝 Published: May 4, 2026 🩺 Medically Reviewed: May 4, 2026 […]

Blood Test for Irregular Heartbeat: Electrolyte Clues

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Heart Rhythm Lab Interpretation 2026 Update Patient-Friendly Palpitations often start as a rhythm question, but the lab story can reveal why the heart became irritable. The trick is knowing when electrolytes matter—and when only ECG monitoring can answer the question. 📖 ~11 minutes 📅 May 4, 2026 📝 Published: May 4, 2026 🩺 Medically Reviewed: […]

Blood Test for Headaches: Anemia, Thyroid and CRP

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Headache Workup Lab Interpretation 2026 Update Patient-Friendly Recurring headaches are not always migraine. Sometimes a CBC, iron panel, thyroid test, glucose, electrolytes or inflammation marker finds a reversible driver — and sometimes the right answer is urgent care, not routine lab work. 📖 ~11 minutes 📅 May 4, 2026 📝 Published: May 4, 2026 🩺 […]

Kids Cholesterol Levels: Age Ranges and Risk Clues

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Pediatric Cholesterol Lab Interpretation 2026 Update Parent-Friendly A parent-focused guide to pediatric lipid panel results, family history risk, and the cholesterol numbers that deserve a second look. 📖 ~11 minutes 📅 May 4, 2026 📝 Published: May 4, 2026 🩺 Medically Reviewed: May 4, 2026 ✅ Evidence-Based This guide was written under the leadership of […]

Teenager Blood Test Ranges: What Puberty Changes

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Teen Health Lab Interpretation 2026 Update Patient-Friendly A teenager blood test often looks odd beside adult ranges because puberty changes red cell mass, bone enzymes, iron demand, vitamin D needs, thyroid rhythm and cholesterol. The trick is reading the result against pubertal stage, sex, symptoms and trends—not just the red flag. 📖 ~11 minutes 📅 […]