A: The variant NC_000019.10:g.55137212_55137215del in gene TNNT1 is classified as 'Pathogenic' for Nemaline_myopathy_5B,_autosomal_recessive,_childhood-onset. Molecular consequence: SO:0001574: splice_acceptor_variant. Variant type: Deletion. Disease database links: MONDO:MONDO:0957281,MedGen:C5830545,OMIM:620386. Review status: criteria provided, single submitter.