However, if sweat chloride is normal but the baby has two CFTR variants at least one of which has unclear phenotypic consequences, or sweat chloride is intermediate and the baby has one or no CFTR variants, they are said to have ‘cystic fibrosis screen positive, inconclusive diagnosis’ (CFSPID) (Public Health England, 2021). The gene discussed is CFTR; the disease is cystic fibrosis.