Tumor Markers Lab Interpretation 2026 Update Patient-Friendly A high AFP result means very different things in a pregnant patient, a person with cirrhosis, and a healthy adult. Most false alarms happen when those contexts get mixed. 📖 ~11 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified clinical […]
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.
Fertility Hormones Lab Interpretation 2026 Update Patient-Friendly Best timing is usually 7 days after ovulation, not automatically day 21. A level above 3 ng/mL usually supports recent ovulation, but cycle length changes the correct test day. 📖 ~11 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified clinical […]
Coagulation Lab Interpretation 2026 Update Patient-Friendly A raised D-dimer is common, confusing, and often harmless until it is not. Here is how I separate borderline positives from results that need imaging today. 📖 ~10-12 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified clinical hematologist and internist with […]
CBC Marker Lab Interpretation 2026 Update Patient-Friendly A slightly abnormal red blood cell count is often about context, not catastrophe. This patient-first guide shows when a high or low RBC is dehydration, altitude, early anemia, or something that needs a proper workup. 📖 ~11 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. […]
Electrolytes Lab Interpretation 2026 Update Patient-Friendly A flagged potassium result is not always an emergency—but sometimes it is. Here is how I sort false elevations from true hyperkalemia and decide who needs a repeat test versus urgent care. 📖 ~11 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a […]
Endocrinology Lab Interpretation 2026 Update Patient-Friendly For a vitamin D blood test, the result that detects deficiency is almost always 25-OH vitamin D. The 1,25-dihydroxy or active form is a specialty test that can look normal or high even when stores are low, so I reserve it for kidney disease, high calcium, suspected granulomatous disease, or unusual parathyroid problems. 📖 ~11 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review […]
Iron Studies Lab Interpretation 2026 Update Patient-Friendly Low iron saturation with normal ferritin usually means early iron deficiency or inflammation masking ferritin. TIBC, CRP, CBC trends, and repeat morning testing tell the difference. 📖 ~11 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified clinical hematologist and internist […]
Diagnostics Lab Interpretation 2026 Update Patient-Friendly Lab analyzers create the numbers; AI explains them afterward. Knowing which step can fail is the difference between useful insight and a bad decision. 📖 ~10-12 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas Klein, MD Chief Medical Officer, Kantesti AI Dr. Thomas Klein is a board-certified clinical hematologist and internist with over 15 […]
Reference Ranges Lab Interpretation 2026 Update Patient-Friendly A blood test normal range is usually the middle 95% of values from selected healthy people, not a clean line between healthy and sick. That is why one slightly high or low result often reflects timing, biology, or lab method rather than disease. 📖 ~11 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. Hans Weber and medical review by Dr. Sarah Mitchell, MD, PhD. Lead Author Thomas […]
Healthy Aging Lab Interpretation 2026 Update Patient-Friendly If I had to pick nine recurring labs for older adults, I would track CBC, ferritin with transferrin saturation, vitamin B12, creatinine with eGFR, electrolytes, HbA1c, a lipid panel, a liver panel, and TSH. Most stable adults over 65 need these yearly; CKD, diabetes, anemia, or multiple medications often push some of them to every 3-6 months. 📖 ~12 minutes 📅 April 17, 2026 📝 Published: April 17, 2026 🩺 Medically Reviewed: April 17, 2026 ✅ Evidence-Based This guide was written under the leadership of Dr. Thomas Klein, MD in collaboration with the Kantesti AI Medical Advisory Board, including contributions from Prof. Dr. […]