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ClinVar Annotations

This page displays variants in your genotype file that have clinical annotations in the ClinVar database maintained by NCBI, as of February 2026. The classifications reported here reflect current scientific understanding and may change. This page is for informational purposes only. Discuss findings with a genetic counselor or healthcare provider to get a clinical interpretation.

Important - ClinVar classifications are almost useless for predicting individual health outcomes. If you are unfamiliar with ClinVar, please read this paragraph for important context: A pathogenic classification means the variant has been assessed by ClinVar submitters as causally contributing to a disease, not that a person has or will develop that condition. Many pathogenic variants are recessive (they require two copies to have an effect). ClinVar does not consistently provide information on whether variants are recessive or dominant. However, we have provided a zygosity column so users can tell if they are have one copy (heterozygous) or two copies (homozygous). The presence of a pathogenic variant says almost nothing about the likelihood of developing a disease, because ClinVar classifications are orthogonal to penetrance, which is the probability that a carrier actually develops an associated condition. A 2022 study published in JAMA found that mean penetrance across ClinVar pathogenic variants was only 6.9%.

Stars column: ClinVar uses a scheme with stars to communicate confidence level for a classification.

★★★★Practice guideline
★★★☆Reviewed by expert panel
★☆☆☆Single submitter with criteria
No assertion criteria provided

Showing 25 representative variants from the demo dataset (2,472 total in a real analysis).

rsidGeneGenotypeZygosityClassificationConditionsStars
rs429358APOECTHetRisk FactorAlzheimer disease; Lipoprotein quantitative trait locus☆☆☆
rs7412APOECTHetRisk FactorAlzheimer disease; Lipoprotein quantitative trait locus☆☆☆
rs1801133MTHFRAGHetLikely Risk AlleleHomocystinuria; Neural tube defects☆☆☆
rs1799853CYP2C9CTHetDrug ResponseWarfarin sensitivity; Phenytoin response★★★
rs1057910CYP2C9ACHetDrug ResponseWarfarin sensitivity; NSAIDs toxicity★★★
rs9923231VKORC1CTHetDrug ResponseWarfarin sensitivity★★★
rs4244285CYP2C19AGHetDrug ResponseClopidogrel response; Proton pump inhibitor metabolism★★★
rs1800462TPMTACHetDrug ResponseThiopurine toxicity★★★
rs80357906BRCA1AGHetPathogenicHereditary breast and ovarian cancer syndrome★★★★
rs28897672BRCA2CTHetLikely PathogenicHereditary breast and ovarian cancer syndrome☆☆☆
rs1805007MC1RCTHetRisk FactorMelanoma risk; Skin color variation☆☆☆
rs1801394MTRRAGHetVUSHomocystinuria; Neural tube defects
rs746774LDLRAGHetLikely BenignFamilial hypercholesterolemia☆☆☆
rs4994ADRB3AGHetRisk FactorType 2 diabetes; Obesity☆☆☆
rs1799945HFECGHetAssociationHereditary hemochromatosis★★★
rs1800562HFEAGHetPathogenicHereditary hemochromatosis★★★★
rs5274PTGS2CTHetAssociationColorectal cancer susceptibility; NSAID response☆☆☆
rs1799971OPRM1AGHetDrug ResponseOpioid sensitivity; Naltrexone response☆☆☆
rs1800497ANKK1AGHetDrug ResponseAntipsychotic response; Dopamine receptor sensitivity☆☆☆
rs587782628TP53CTHetVUSLi-Fraumeni syndrome☆☆☆
rs28897743BRCA2AGHetConflictingHereditary breast and ovarian cancer syndrome☆☆☆
rs1042522TP53CGHetBenignCancer susceptibility☆☆☆
rs4680COMTAGHetBenignCatechol-O-methyltransferase activity☆☆☆
rs1801197CALCRGTHetBenignOsteoporosis susceptibility☆☆☆
rs1801282PPARGCGHetAssociationType 2 diabetes; Thiazolidinedione response☆☆☆

Variant classifications from ClinVar (NCBI). Classifications may change as new evidence emerges.