G6PD and hyperinsulinemic hypoglycemia, familial, 4: A new tool, the CareStartTM G6PD deficiency screening test (AccessBio, Somerset, NJ), has been assessed recently in Cambodia by comparing its performance to quantitative G6PD enzyme activity using a standardized spectrophotometric method (“gold standard”).32 Blood samples (N = 903) were collected from Cambodian adults living in Pailin Province, western Cambodia.