A: The variant NC_000022.11:g.19723912_19723926del in gene GP1BB is classified as 'Likely_pathogenic' for Macrothrombocytopenia. Molecular consequence: SO:0001619: non-coding_transcript_variant,SO:0001822: inframe_deletion. Variant type: Deletion. Disease database links: Human_Phenotype_Ontology:HP:0040185,MedGen:C2751260. Review status: no assertion criteria provided.