A: The variant NC_000019.10:g.49154455ATC[13] in gene HRC is classified as 'Likely_benign' for Progressive_familial_heart_block. Molecular consequence: SO:0001822: inframe_deletion. Variant type: Microsatellite. Disease database links: MONDO:MONDO:0019490,MedGen:CN230454,OMIM:PS113900,Orphanet:871. Review status: criteria provided, single submitter.