| EX0712 FISH: TRISOMY 21 / DOWN SYNDROME, POSTNATAL |
| Specimen: |
4 mL (2 mL min.) Whole blood from 1 Green Top (Sodium Heparin) tube. Ship at 18-22°C. |
| Stability: |
| Room |
Refrigerated |
Frozen |
| 48 hrs |
NA |
NA |
|
| Method: |
FISH |
| Comment: |
Samples received on holidays will be reported in the next schedule / next working day. |
| Report: |
Contact us to know the TAT. |
| Usage: |
Down syndrome / Trisomy 21 is a genetic disorder with an extra copy of full or partial chromosome 21 resulting in developmental delays, distinct facial features & congenital defects. About 95% of cases are due to Trisomy 21; 2% result from Robertsonian translocation; 2% due to Mosaicism & 1% due to a variety of chromosomal rearrangements. This is a postnatal test conducted on individuals showing features of Down syndrome like hypotonia, small ears, upslanting palpebral fissures, flat facial profile, etc., or have a family history of Down syndrome. |
| Doctor Specialty: |
Pediatrician |
| Disease: |
Genetic Disorders |
| Components: |
|
| Courier Charges: |
|
| Home Collection: |
Available (*T&C Apply) |
| Department: |
CYTOGENETICS |
| Pre Test Information: |
A duly filled Chromosome & FISH analysis Requisition Form is mandatory. |
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