A: The variant NC_000022.11:g.25903721dup in gene MYO18B is classified as 'Likely_pathogenic' for Klippel-Feil_syndrome|Klippel-Feil_anomaly-myopathy-facial_dysmorphism_syndrome. Molecular consequence: SO:0001589: frameshift_variant. Variant type: Duplication. Disease database links: Human_Phenotype_Ontology:HP:0004602,Human_Phenotype_Ontology:HP:0004636,MONDO:MONDO:0001029,MedGen:C0022738,OMIM:PS118100|MONDO:MONDO:0014689,MedGen:C4225285,OMIM:616549,Orphanet:447974. Review status: criteria provided, single submitter.