A: The variant NC_000021.9:g.33875426CT[1] in gene ITSN1 is classified as 'Pathogenic' for Intellectual_disability,_autosomal_dominant_1. Molecular consequence: SO:0001589: frameshift_variant. Variant type: Microsatellite. Disease database links: MONDO:MONDO:0007974,MedGen:C1969562,OMIM:156200,Orphanet:228402. Review status: criteria provided, single submitter.