Autoimmune EncephalitisNeurologyLab Interpretation Autoimmune encephalitis diagnosis combines the symptom pattern, spinal fluid testing, MRI and EEG while excluding infections and other causes. Blood antibodies alone cannot confirm it, and negative antibodies do not always exclude it; sudden confusion, a first seizure or reduced consciousness needs emergency assessment. Medically reviewed by Thomas Klein, MD Published 3 […]
InfliximabIBDLab Interpretation An infliximab level test pairs drug concentration with antibodies to explain loss of IBD control. Low drug without significant antibodies suggests inadequate exposure; low drug with persistent high antibodies suggests immune-mediated clearance. Active inflammation despite adequate exposure raises possible mechanistic failure—but only after confirming inflammation, correct sampling, and a target appropriate to the […]
Kawasaki DiseasePediatric LabsLab Interpretation No single blood test confirms Kawasaki disease. Diagnosis combines fever history, examination, inflammatory markers, supporting laboratory findings, and echocardiography—persistent fever in a child needs prompt assessment, not a wait for every classic symptom. Medically reviewed by Thomas Klein, MD Published 2 November 202618 min read 🧬Trusted by 2 million people for […]
Hidradenitis SuppurativaLab Interpretation No hidradenitis suppurativa blood test can confirm or exclude HS. Diagnosis depends on characteristic skin changes, their location and recurrence; laboratory testing answers different questions about associated conditions and treatment safety. Medically reviewed by Thomas Klein, MD Published 2 November 202619 min read 🔬Kantesti analyzes your blood test results with AI in […]
Essential TremorNeurological AssessmentLab Interpretation Essential tremor is linked to altered brain movement-network activity and inherited susceptibility, not a single proven cause. Stress, stimulants, poor sleep, and certain medicines can amplify shaking; diagnosis depends on the tremor pattern and examination, not one blood test. Medically reviewed by Thomas Klein, MD Published 2 November 202619 min read […]
Lactose IntoleranceDigestive HealthLab Interpretation Choose a hydrogen breath test when you need objective evidence of lactose malabsorption; choose a supervised elimination-and-rechallenge trial when your main question is whether ordinary portions cause symptoms. A lactose tolerance blood test is an alternative when breath testing is unavailable, but glucose regulation can complicate interpretation. Medically reviewed by Thomas […]
Polymyalgia RheumaticaESR and CRPLab Interpretation Yes—blood results can be normal in polymyalgia rheumatica, although normal ESR and CRP together are uncommon before treatment. The diagnosis depends on the symptom pattern, examination, and exclusion of other causes—not one laboratory flag. Medically reviewed by Thomas Klein, MD Published 1 November 202617 min read 🩸Upload your blood test […]
GynecomastiaHormone TestingLab Interpretation New male breast enlargement may warrant testosterone, estradiol, LH, FSH and hCG testing; prolactin, SHBG and thyroid tests depend on clinical findings. Examination and medication review come first, because hormone results cannot rule out a concerning breast or testicular change. Medically reviewed by Thomas Klein, MD Published 1 November 202617 min read […]
Stroke SymptomsEmergency CareLab Interpretation Sudden balance loss, vision changes, facial drooping, arm weakness, or speech difficulty can signal a stroke. Call your local emergency number immediately—even if symptoms disappear or routine bloodwork is normal; neither improvement nor normal laboratory results makes waiting safe. Medically reviewed by Thomas Klein, MD Published 1 November 202618 min read […]
DiverticulitisAbdominal PainLab Interpretation Persistent lower-left abdominal pain with fever or bowel changes needs same-day clinical advice. Seek emergency care for severe or spreading pain, repeated vomiting, fainting or confusion; diverticulitis can occur without fever, and neither symptoms nor blood tests can confirm it. Medically reviewed by Thomas Klein, MD Published 1 November 202620 min read […]