Turnaround times
The quoted turnaround time is from sample receipt in the laboratory, to results authorisation in the Laboratory Information Management system. The times do not include transport of specimen to the laboratory or the administrative process to print and post/email reports. Service users must allow for transport and reporting time when ordering tests.
Clinical background:
Single Nucleotide Polymorphism array testing can identify genome wide copy number changes (gains/losses/gene amplifications) and loss of heterozygosity (LOH). These genomic changes can help in the diagnosis and prognosis of haematological malignancies. SNP array is a primary test in ALL and CLL and will be performed in AML, MDS and MPN cases where karyotyping has been unsuccessful. SNP array can be performed on liquid samples as well as FFPE.
Specimen container paediatric:
Lithium heparin or EDTA for liquid samples. Fresh samples also accepted.
Specimen container adult:
Lithium heparin or EDTA for liquid samples and FFPE for tissue biopsies
Minimum volume paediatric:
3ml
Minimum volume adult:
3ml
Special requirements:
Please complete NEHODS request form
Sample stability:
Not suitable for FFPE material
Transport requirements:
Samples should be sent to laboratory immediately.
Freq analysis:
Daily
Add on test:
Can be added to any genetics sample where DNA has been stored
Quality assurance:
UK NEQAS
Interpretation:
By genetics clinical scientist
Reference ranges:
N/A
Factors affecting result:
Quality and size of sample
Referenced documents:
N/A