Test Name
CellSearch Circulating Tumor Cell Test
Test Code
CELLSEARCH
Synonyms
Circulating tumor cells, CTC
Associations
The CellSearch™ Circulating Tumor Cell Test identifies circulating tumor cells (CTCs) in patients with metastatic breast, colorectal and prostate cancer throughout the continuum of care. CellSearch allows earlier, more accurate predictions of pr
CPT Codes
86152
Turnaround Time
4 days
Specimen Requirements
Two 10.0 mL tubes (min. 7.5 mL each) whole blood in CellSave® preservative tube (One tube 10 mL min.)
Specimen Stability
CellSave tubes stable at 15-30° C for 96 hours
Storage & Handling
Ship at ambient temperature. Do not refrigerate. Protect from extreme temperatures
Causes for Rejections
Improper specimen labeling; Insufficient sample volume; refrigerated; Frozen or clotted specimen; Specimen older than 96 hours
Description
Enumeration only
References
- Cohen et al. (2008). Relationship of circulating tumor cells to tumor response, rrogression-free survival, and overall survival in Patients with metastatic colorectal cancer. J Clin Oncol. Jul 1;26(19):3213-21.
- Danila C et al. (2007). Circulating tumor cell number and prognosis in progressive castration-resistant prostate cancer. Clin Cancer Res. 13(23).
- Budd et al. (2006). Circulating tumor cells versus imaging – predicting overall survival in metastatic breast cancer. Clin Cancer Res. 12(21).
- Cristofanilli M et al. (2004). Circulating tumor cells, disease progression, and survival in metastatic breast cancer. N. Engl J Med. 351:781-791.
