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Somatic Solid Tumour Liquid Panel

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Lab Section Category
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Specimen Required

20 ml of blood collected in STRECK Nucleic Acid blood collection tubes.

Indications

This assay can be used to determine the presence of genomic alterations in circulating tumour nucleic acids in patients’ peripheral blood that would predict response of a cancer to targeted therapy (predictive testing).

 

Click here to view more details on SSTP Liquid assay including the full list of gene coverage.

Click here to view CPOE ordering instructions for SSTP Liquid (for relevant SingHealth institutions).

Storage/Transport

The tubes should be labelled with patient’s details, placed into a specimen zip-lock bag and accompanied by a hard copy test request form with relevant clinical information or an electronic test request order in the Computerised Physician Order Entry system (CPOE) (for relevant SingHealth institutions. The date and time of blood draw should be indicated in the hard copy request form or CPOE order. 

Specimens should be sent to 20 College Road, Academia building, Diagnostic Tower, Level 8, Client and Specimen Management (CSM). 

Blood collected into the STRECK tubes should be sent to the laboratory as soon as possible. If this is not possible, it can be stored at 18 °C to 25 °C for up to no more than 7 days after blood draw. 

Specimens are received only on Monday – Friday; 8.45am – 4pm (excluding public holidays).

Method

Amplicon-based next generation sequencing (NGS) assay incorporated with molecular tagging allowing sensitive detection of circulating cell-free tumour nucleic acids in the peripheral blood (liquid biopsy). 

Test Results

Gene variants (SNVs and short insertions/deletions) are detected by this assay. Gene amplifications and fusions are also tested and reported but the sensitivity and specificity of the assay for gene amplification and fusion have not been fully validated.

Turnaround Time

10 working days from day of test set up.

Day(s) Test Set up

Wednesday (Thursday if Wednesday falls on a public holiday)

Change History Notes

  • 07 Oct 2025 12:59 PM

    Updated Specimen Required and Test Memo

Back: Pathology Laboratory Services

Last Updated - 07 Oct 2025