Despite health center staff adopting the Biosensor at health center in over 90% of cases, access to G6PD testing and radical cure was still limited by significant challenges with referral from the community where patients were diagnosed with vivax malaria and provided schizontocidal treatment; less than half of eligible patients were successfully referred putting into question the overall feasibility and appropriateness of G6PD testing at the health center. This evidence concerns the gene G6PD and Plasmodium vivax malaria.