Circulating Tumor Cells, Prostate - LG5011

Sunquest Code:MMMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Synonyms:Cell Search; CTC; Metastatic Prostate Center; Veridex
Methodology:CellSearch System
Turnaround Time:Specimens are accepted Mon-Fri; results are reported within 4-5 days.
Special Instructions:Patients on doxorubicin should wait 7 days after the last dose before testing for circulating tumor cells.

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Collection Instructions

Optimal Volume:20 mL in 2 CellSave tubes
Minimum\Peds Volume:15 mL in 2 CellSave tubes
Container:Cellsave-Yellow/Lavender Marble Top.
Collection Instructions:Tubes cannot be combined; each tube must contain at least 7.5 mL. Do not collect specimens the day before a holiday.
Causes for Rejection:Gross hemolysis. Specimen drawn in a tube other than CellSave tube or submitted in an expired CallSave tube. Specimens greater than or equal to 96 hours old. Specimens submitted for reasons other than monitoring metastatic prostatic carcinoma.

Processing and Shipping

Specimen Processing:Whole blood; do not process. Store at room temperature. Do not refrigerate or freeze.
Shipping Instructions:Ship overnight at room temperature. Specimen must be shipped immediately to ensure processing can be completed within 96 hour of collection. Send specimen Monday through Friday only and not the day before a holiday. Protect from temperature extremes.
Stability:Stabile at 15-30 degrees C for 96 hours.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:CTCPC


Reference Range:By report.
Use:The CellSearch System identifies and enumerates the number of circulating tumor cells (CTCs) in a blood specimen.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact: for TestID: 5011"