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Subtelomere FISH

Item Value
Approval req'd? No
Available Stat? No
Test code CYSUB
Test group Chromosome Analysis
Performed by Medical Genomics - Cytogenetics
In House Availability Set up daily, Monday-Friday
Method Fluorescent in-situ hybridization
Collection Instructions Complete and submit a "UCSF Reproductive Genetics Lab Results" or a "UCSF Cytogenetic Requisition" form and send with the samples.

Click here for Cytogenetics Requisition

Keep samples at Room temperature. DO NOT CENTRIFUGE for any reason.
Container type Blood: Dark green top
POC: 15 mL centrifuge tube with transport media (RPMI, FBS, L-Glutamine, Sodium Heparin and PenStrep). Available from Cytogenetics, 415-353-4844.
Amount to Collect 2 ml blood
Sample type Heparinized whole blood, Unfixed tissue
Preferred volume 2 mL blood
Min. Volume 1 mL blood
UCSF Rejection Criteria Insufficient volume; unlabeled tubes; clotted samples; broken, leaking or contaminated tubes; frozen samples.
Processing notes Keep samples at Room temperature. DO NOT CENTRIFUGE for any reason. Send all tubes and completed paperwork asap to the Cytogenetics laboratory at China Basin.
Normal range Normal. See Additional Information
Synonyms Cytogenetic analysis; chromosome analysis; Karyotype; Karyotyping
Stability 48 hours
Reflex? If an abnormality is detected the Director will determine the appropriate additional studies to be performed to characterize the abnormality.

Additional testing may be omitted if specifically requested when the sample is submitted for cytogenetic analysis.
Additional information Each FISH test is developed and its performance characteristics determined by
the UCSF Cytogenetics Laboratory as required by CLIA '88 regulations. It has not been cleared or approved for specific uses by the U.S. Food and Drug Administration. All FISH probes undergo internal validation and quality
control testing at UCSF Cytogenetics Lab prior to use.

Y chromosome
CPT coding 88273x3, 88271x8
LOINC code 49040-9
LDT or Mod FDA? Yes
Last Updated 6/25/2015 10:57:54 AM
Entry Number 211
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