FISH PROBE: WILLIAMS SYNDROME
Del 7q - FISH for 7q - Williams Syndrome - WS - Cytogenetics
A high resolution chromosome analysis will be performed in conjunction with the FISH analysis. FISH is not a stand-alone test.
FISH using fluorescently labeled DNA specific for ELN (elastin gene locus) is used to identify deletions within the 7q11.23 region.
Specimen Collection Requirements
Unclotted Whole Blood, dark green (preservative-free sodium heparin) top tube
Do not refrigerate, freeze or expose to extreme temperatures. Keep specimen at ambient temperature and transport within 24 hours. Maintain sterility, do not split the specimen or open the tube.
Room temperature within 24 hours of collection
Ambient: 24 hours; Refrigerated: Suboptimal, call Cytogenetics at (503) 413-4613
2-3 weeks, 4-7 days on the FISH portion of the test can be arranged by calling the Cytogenetics Lab at (503) 413-4613
Fluorescent In Situ Hybridization (FISH)
For questions regarding the report, please call (503) 413-4613.
Thursday, March 14, 2019 12:50:42 PM
Client Services: 503-413-1234