A: The variant NC_000020.11:g.62821775G>A in gene COL9A3 is classified as 'Uncertain_significance' for Connective_tissue_disorder|Epiphyseal_dysplasia,_multiple,_3|Intervertebral_disc_disorder|not_provided|COL9A3-related_disorder|Lattice_retinal_degeneration|Retinal_detachment. Molecular consequence: SO:0001583: missense_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0003900,MedGen:C0009782|MONDO:MONDO:0010964,MedGen:C1832998,OMIM:600969|MONDO:MONDO:0044339,MedGen:C0158252,OMIM:603932|MedGen:C3661900|.|Human_Phenotype_Ontology:HP:0007992,MONDO:MONDO:0001455,MedGen:C0154856|Human_Phenotype_Ontology:HP:0000541,Human_Phenotype_Ontology:HP:0007864,Human_Phenotype_Ontology:HP:0008021,MONDO:MONDO:0008375,MedGen:C0035305,OMIM:180050. Review status: criteria provided, multiple submitters, no conflicts.