A: The variant NC_000022.11:g.30612975G>A in gene TCN2 is classified as 'Benign/Likely_benign' for Transcobalamin_II_deficiency|not_provided. Molecular consequence: SO:0001627: intron_variant,SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0010149,MedGen:C0342701,OMIM:275350,Orphanet:859|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.