A: The variant NC_000019.10:g.19192338C>A in gene RFXANK is classified as 'Likely_benign' for MHC_class_II_deficiency. Molecular consequence: SO:0001623: 5_prime_UTR_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0008855,MedGen:C5447452,OMIM:PS209920,Orphanet:572. Review status: criteria provided, single submitter.