| Laboratory: | Genomics (CYTOGENETICS) |
| Test Name: |
CHROMOSOME STUDIES IN BLOOD - (B)
Test Code:
GENO
|
| Clinical Information: |
Test performed at: Health Sciences Centre Cytogenetics Laboratory.
Overflow samples are sent to Genetic Associates, Inc.; Nashville, TN Peripheral blood samples from Manitoban and non-Manitoban patients will be accepted without genetic consult from any Manitoban physician for karyotyping if the patient(s) meet one of the following criteria: 1. Three or more recognized pregnancy losses (this includes miscarriages and still births); 2. Infant with a suspected Down Syndrome; 3. Primary or secondary amenorrhea 4. Family history of Down Syndrome with unknown status of index case; 5. Infertility; 6. Suspected Klinefelter Syndrome; 7. Suspected Turner Syndrome; or 8. Unexplained stillbirth (fetal blood required). All other requests for karyotyping require a consult with the clinical geneticist-on-call (204-787-2071). For Fluorescent in situ hybridization (FISH), microarray or chromosome breakage study collection devices and specimen requirements, refer to the appropriate LIM entry. Links provided in ‘see also’ section below. Direct inquiries to lab genetic counsellors at: GenomicsLabGC@sharedhealthmb.ca |
| Collection Devices: |
|
| Specimen Required: |
Whole Blood: 4.0 mL
Pediatric Whole Blood: 2.0 mL
|
| Referral: |
Samples may be rejected if requisitions are not properly filled out, the sample is a duplicate sample that has been previously analysed and reported, and/or the sample is received in an inappropriate collection tube.
|
| Requisition: | |
| Reference Values: |
A descriptive report will be sent.
|
| Availability: |
Weekdays
Weekdays and Saturdays (M-Th, Sat: 0800h - 1600h; Fridays 0800h - 1715h). Closed Sundays and Statutory Holidays. Sample will be processed the next working day.
|
| See Also: | |
| More Information: |
Once specimen is collected, the blood sample should be kept at room temperature and transported promptly. For further information, please call 787-2489.
St. Boniface Hospital (SBH) patient samples are registered with test code GENO and are sent through the Biochemistry Lab. |