A: The variant NC_000022.11:g.17206930_17209832del in gene ADA2 is classified as 'Likely_pathogenic' for Polyarteritis_nodosa. Molecular consequence: SO:0001574: splice_acceptor_variant,SO:0001575: splice_donor_variant,SO:0001582: initiator_codon_variant. Variant type: Deletion. Disease database links: MONDO:MONDO:0019170,MedGen:C0031036,Orphanet:767. Review status: criteria provided, single submitter.