View Test

Laboratory:

Genomics

Test Name:

RETINOBLASTOMA (RB) - RBI GENE ANALYSIS - (B)

Test Code: MD

Clinical Information:

Prior to sending a sample, contact the Molecular Diagnostic Laboratory Genetic Counsellor at 787-4033 or 787-1024 to coordinate specimens needed for complete and accurate testing. Where possible, testing should include fresh/frozen tumor tissue. Requests for testing limited to opthalmologists and medical geneticists. All out-of-province testing subject to final laboratory approval. For more information on Retinoblastoma, see:
http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene&part=retinoblastoma

Collection Devices:

Preferred Device:	2 - EDTA 4 mL NO GEL Tube(s) - Full Tube Collection EDTA 4 mL NO GEL Tube(s) - Full Tube Collection Manufacturer: Becton Dickinson & Company Catalogue #: 367861
Alternate Device:	6 - Microtainer(s) - EDTA, NO GEL (0.5 mL) to fill line Microtainer(s) - EDTA, NO GEL (0.5 mL) to fill line Manufacturer: Becton Dickinson & Company Catalogue #: 363706

Specimen Required:

Blood: 8.0 mL

Pediatric Blood: 3.0 mL

Tumor Tissue Sample (fresh/frozen) : provide when possible.

Specimen must be drawn Monday to Wednesday to allow for sample to be shipped as whole blood to out-of-province laboratory. This test is time-sensitive and MUST be received at our facility within 24 hours of blood draw. Keep specimen at room temperature. Pediatric volume for infants only. For prenatal diagnosis, contact laboratory for approval and to obtain specimen requirements.

Referral:

Requisition:

_SH Molecular Diagnostic Lab Test Requisition (R250-10-09)

Reference Values:

An interpretive report from the referral laboratory will be forwarded to the physician.

Availability:

Weekdays, Monday to Wednesday only. Specimen is forwarded to an out-of-province laboratory for testing, if approved. Turnaround time is estimated to be 8 to 14 weeks.