Rs7512462 and additional SLC26A9 eQTLs in the region of chr1: 205,806,897- 206,006,897(GRCh37) colocalize with the meconium ileus CF GWAS summary statistics1, supporting gene expression variation is responsible for the observed CF GWAS finding. This evidence concerns the gene SLC26A9 and intestinal obstruction in the newborn due to guanylate cyclase 2C deficiency.