Sample requirements

 

Cancer-Solid tissue requirements

It is important that sections are cut under conditions that prevent cross contamination from other specimens.

Investigation

Sample requirements

Result/report available

Lymphoid clonality

Ig gene rearrangement

TCR gene rearrangement

Minimum of 3 FFPE embedded tissue scrolls or 1mL EDTA peripheral blood

*Outsourced to Cambridge

Genexus OPA Panel

Minimum of 50μm FFPE tissue sectioned at 10μm (5x10 μm):

  • Samples with <20% neoplastic nuclei: Send unstained slide mounted tissue sections on uncoated slides with a marked up H&E
  • Samples with ≥20% neoplastic nuclei:  Send unstained tissue sections as scrolls in a clean universal with a H&E
 

*Note we are currently outsourcing B and T cell clonality analysis to Cambridge, please forward all material to NUH laboratory for extraction (FFPE embedded tissue or EDTA peripheral blood).

Cancer Haemato-oncology requirements:

 

Investigation

Sample requirements

Result/report available

Acute Myeloid Leukaemia (AML)- rapid analysis/fusion detection*

Minimum  of 3.5mL EDTA-anticoagulated peripheral blood/bone marrow

 

FLT-3 ITD/TKD

 

Up to 3 working days

NPM1

 

Up to 3 working days

CBFβ-MYH11 inv(16)

 

Up to 14 calendar days*

AML1-ETO t(8;21)

   

 

 

 

IDH1  and IDH2 mutation testing

(Not included in Paediatric AML)

Minimum  of 1mL EDTA-anticoagulated peripheral blood/bone marrow

Upto 14 calendar days*

 

 

 

APML-fusion detection

PML-RARA t(15;17)

Minimum  of 3mL EDTA-anticoagulated peripheral blood/bone marrow

Upto 3 working days

 

 

 

CML- fusion detection

BCR::ABL t(9;22)

Minimum  of 3mL EDTA-anticoagulated peripheral blood/bone marrow

Upto 7 calendar days

CML- MRD monitoring BCR::ABL t(9;22) p210 major transcripts

(note we do not offer MRD testing for minor p190 transcript type)

Minimum of 9mL EDTA-anticoagulated peripheral blood/bone marrow

Upto 14 calendar days*

 

 

 

Myeloproliferative neoplasms

JAK2, CALR

Minimum  of 1mL EDTA-anticoagulated peripheral blood/bone marrow

Upto 14 calendar days

 

 

 

Post BMT Chimerism MRD

Minimum  of 1mL EDTA-anticoagulated peripheral blood/bone marrow

Upto 14 calendar days

*For clinical urgency based upon priority clinical needs, a request can be made and a 1 week turnaround time arranged with the Lab.

     

 

Note, it is not necessary to take separate blood tubes for each DNA request.

Page last updated 17/01/2024. Please note that if printed, information is only valid on the day of printing.