A: The variant NC_000023.11:g.10454901_10454924dup in gene MID1 is classified as 'Uncertain_significance' for X-linked_Opitz_G/BBB_syndrome|not_provided. Molecular consequence: SO:0001821: inframe_insertion. Variant type: Duplication. Disease database links: MONDO:MONDO:0010222,MedGen:C2936904,OMIM:300000,Orphanet:2745|MedGen:C3661900. Review status: criteria provided, single submitter.