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Lab Manual for Moffitt-Long and Mount Zion

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Chromosome Analysis, Blood, High Resolution

Item Value
Approval req'd? If expedited testing is needed for clinical decisions contact the Cytogenetics laboratory at x3-4844.
Available Stat? No
Test code CYHR
Test group Chromosome Analysis
Performed by Medical Genomics - Cytogenetics
In House Availability Set up daily, Monday-Friday
Method Giemsa banding and brightfield microscopy
Collection Instructions If expedited testing is needed for clinical decisions contact the Cytogenetics laboratory at x3-4844.

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 Dark green top
Amount to Collect
Adult or child 5 mL blood
Infant 2 mL blood
Sample type Heparinized whole blood
Preferred volume
Adult or child 5 mL blood
Infant 2 mL blood
Min. Volume
Adult or child 2 mL blood
Infant 2 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 46,XY normal male
46,XX normal female
Synonyms Cytogenetic analysis; CYBL; Karyotype; Karyotyping
Stability 48 hours
Turn around times Normally 14-21 days. Expedited (with approval) 5-7 days
Reflex? If an abnormality is detected ta Cytogenetics Director will determine the appropriate additional studies (e.g. C-banding, NOR) to be performed to characterize the abnormality.

If additional metaphases are required for final interpretation additional counts will be performed and billed for.

Additional testing may be omitted if specifically requested when the sample is submitted for cytogenetic analysis.
CPT coding 88230, 88262, 88289
LOINC code 48818-9
Last Updated 1/22/2014 8:57:03 AM
Entry Number 204

If you have additional questions regarding this test, please call: 415-353-1667

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