ACMG Validator
Variant interpretation often ends with a classification. Clinical review needs the record behind it. ACMG Validator helps you check every ACMG/AMP criterion, record evidence, confirm non-applicable criteria, and export a structured report.
Private by design. Nothing leaves your browser.
Optional import for saved ACMG Validator JSON reports. Most users can complete the form manually. Files are read locally in your browser and are not uploaded. Multi-variant JSON imports are limited to the first five variants; contact admin@switzerlandomics.ch for a licence for unlimited joint variant input.
Drag and drop an ACMG Validator JSON file here, or click to select a local file.
Supports exported single-variant reports, multi-variant case reports, and example JSON files.
Use HGVS notation. Missing transcript or genome build is flagged because interpretation can change with reference sequence and assembly.
Optional case-level metadata for the sample, sequencing run, instrument, analysis files and prior sharing events. Use structured SPHN WGS keys where available, or paste JSON / TSV from an upstream system. You can inspect VCF header metadata separately in the VCFheader browser.
Record the evidence finding first, then the status — the status auto-fills from the evidence and you can override it. Each criterion also carries a default strength fixed by ACMG/AMP; you may modulate it when justified (e.g. PVS1 per the ClinGen decision tree, PM2 to Supporting), and any deviation is recorded in ClinGen notation (PM2_Supporting). "Rejected, absent after review" is not "Not assessed": use the status pill and the completeness bar to confirm nothing was skipped. Many criteria will not apply to a given variant — use Mark untouched as N/A to record that deliberately.
Use this when a case has more than one variant. Variant-level ACMG evidence remains separate; this section records whether the variants were reviewed together, phase, recessive evidence and phenotype fit. Do not sum ACMG scores across variants.
A structured, shareable record of this review — PDF for sign-off, HTML or JSON for your records.
The ACMG/AMP framework classifies sequence variants into five categories — pathogenic, likely pathogenic, uncertain significance, likely benign and benign — using weighted evidence criteria such as PVS1, PS1–PS4, PM1–PM6, PP1–PP4 on the pathogenic side and BA1, BS1–BS4, BP1–BP7 on the benign side. Each criterion carries a default strength: very strong, strong, moderate or supporting (BA1 is stand-alone benign).
The strength encoded in the code is the default, but it can be modulated on professional judgement, and modern practice does so in structured ways: the ClinGen Sequence Variant Interpretation working group grades PVS1 by null-variant context (PVS1 decision tree), recommends PM2 at supporting strength, and calibrates computational evidence (PP3/BP4) and functional evidence (PS3/BS3) to multiple strength levels. The Tavtigian et al. (2020) point system makes this coherent by scoring the applied strength rather than the code: supporting ±1, moderate ±2, strong ±4, very strong / stand-alone ±8, with categories of pathogenic ≥10, likely pathogenic 6–9, uncertain 0–5, likely benign −1 to −6, benign ≤−7.
This tool does not annotate variants and does not replace VarSome, ClinVar, gnomAD or VEP. It records how the evidence those tools provide was reviewed: which criteria apply, at what strength and why, which were checked and found absent, which were never assessed, whether caveats were completed, and whether the entered classification is internally consistent with the selected criteria. The output certifies process completion, not clinical correctness. A "validated" report means the review is internally consistent with the selected criteria and that caveats and sign-off were completed — it is not a clinical approval.
Feedback on this page is important to catch errors in logic or to better meet user needs. Please contact us at admin@switzerlandomics.ch to report.
Common resources used during variant review. These links are provided for convenience only. Switzerland Omics does not endorse, control, validate, or guarantee any external database or interpretation. For automated evidence quantification see QuantBayes.
Public ACMG implementations such as InterVar and TAPES are listed for reference only; they are not implemented here and no assertion of their quality is made.