COVID-19 Testing Service – Deep Throat Saliva Test (Enhanced Laboratory Surveillance)

With the widespread of the new coronavirus disease (COVID-10), early detection in the community becomes an important act to prevent outbreak. The two Lok Sin Tong General Outpatient clinics have participated in the ‘Enhanced Laboratory Surveillance Programm’ since May 2020, and to summit the deep throat saliva specimens to the Department of Health for COVID-19 testing. People who are at risk and have related symptoms can collect their deep throat saliva sample at home after Pre-test infection risk assessment by doctor, and send the sample back to the Department of Health’s collection points by self. Test results will be available and be noticed in at least 7 working days.The deep throat saliva test aims to further advancing the identification of case of COVID-19 infection and to minimizing the risk of community transmission. Remarks: This service only provide with test report, but do not provide Health Certificate.

COVID-19 Testing service includes:

  1. Doctor consultation
  2. Deep Throat Saliva Test (including the test and report)

Collection time: after getting up and before brushing teeth, eating or drinking

(Reference: Patient Information on Deep Throat Saliva Collection

Features of the service:

  • Undergo infection risk assessment during doctor consultation
  • The specimen collection process can be performed at home safely
  • Test result will be informed by Centre for Health Protection / LST clinic staff in at least 7 working days (from submission date of the sample)

Service Charge: $250 (*LST staff price: $150)


During the Pre-test infection risk assessment by doctor, if the patient was found fulfilling the reporting criteria set by The Centre for Health Protection (CHP), our clinic staff will inform the patient and report the relevant case to CHP in accordance to the statutory reporting mechanism. Patients will then be referred to public hospital for further clinical treatment.

Service location (By Appointment):

Lok Sin Tong Chan Kwong Hing Memorial Primary Health Centre

Address: G/F, 48 Junction Road, Kowloon City 

Tel: 2383 6645

Lok Sin Tong Mr. & Mrs. Lee Yin Yee Medical Centre

Address: Flat B, 1211-15, 12/F, Pioneer centre,750 Nathan Road, Prince Edward, Kowloon

Tel: 2391 1073

Medical Services Department hotline: 2272 9870

Introduction of COVID-19

The main mode of transmission via respiratory droplets and also be transmitted through contact. The estimated incubation period from 1-14 days, most commonly around 5 days. Common symptoms including fever, fatigues, dry cough and shortness of breath. Some patients may have serious condition but some only have very mild or non-specific symptoms. People with older age or having chronic disease are more susceptible into serious condition.