marketing trademark of cordlife group limited a singapore exchange mainboard listed company . the screening test offered under the brand is conducted by hong kong screening centre a company committed to providing early and accurate detection of metabolic disorders in newborn babies . hong kong screening centre has a quality management system in place to ensure maximum accuracy of screening results . as with any laboratory tests false positive or false negative results can not be completely eliminated due to various reasons including but not limited to age of patient at the time of specimen collection patient s health status specimen quality and other variables . hence the risk of a disorder should never be precluded solely on the basis of screening . signs or symptoms observed should be followed up immediately by a professional healthcare provider .