A: The variant NC_000020.11:g.439132G>T in gene TBC1D20 is classified as 'Uncertain_significance' for Warburg_micro_syndrome_4. Molecular consequence: SO:0001583: missense_variant,SO:0001619: non-coding_transcript_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0014296,MedGen:C3810265,OMIM:615663,Orphanet:2510. Review status: criteria provided, single submitter.