In the Most Frequent Mutations table for the VEP impact score, which algorithm in the VEP is the GDC using to determine “H" or “M”?
The IMPACT is categorized by the Sequencing Ontology type of the variants that is also compatible to snpEff. The VEP IMPACT rating is a separate rating given for compatibility with other variant annotation tools (e.g. snpEff). Basically, each category is associated with a set of SO terms: