Our laboratory’s COVID-19 RT-PCR test service is recognized by the HKSAR government and accredited under the local Hong Kong Laboratory Accreditation Scheme (HOKLAS) under the Hong Kong Accreditation Service (HKAS).
requestor’s personal identifier issues (e.g., no identifier, unmatched or partial identifier);
delayed, aged specimen (not being received within 72 hours since sample collection);
sample leakage;
insufficient sample volume/amount;
inappropriate container; or
inappropriate storage, handling, or transportation conditions.
Test result accuracy could be interfered by improperly collected, transported or handled of specimens and the possible presence of inhibitors.
The detection of SARS-CoV-2 nucleic acids could be affected by the collection timing and so as the viral load during infections caused by COVID-19.