Dear all,

I've got a large list of variant as VCF format per chromosome (human), which annotated using VEP (release 98) as offline mode. But, I didn't get the corresponding rsid at the output. Could you please help me out how I can obtain the "rsid" during the annotation?


Thanks
[--check_existing=1](http://www.ensembl.org/info/docs/tools/vep/script/vep_options.html#existing)

> Checks for the existence of known variants that are co-located with
> your input. By default the alleles are compared and variants on an
> allele-specific basis - to compare only coordinates, use
> --no_check_alleles.
> 
> Some databases may contain variants with unknown (null) alleles and
> these are included by default; to exclude them use
> --exclude_null_alleles.
> 
> See this page for more details.
> 
> Not used by default