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CA 27.29
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
CA2729
Alias/See Also
29493;
Cancer AG 27.29;
C2729
CA2729
CA 27-29
Cancer AG 27.29;
C2729
CA2729
CA 27-29
CPT Codes
86300
Preferred Specimen
serum
Minimum Volume
1 mL
Instructions
Avoid hemolysis. Allow to clot in an upright position for 30 minutes. Centrifuge 10 minutes. Keep tightly stoppered.
Transport Container
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = 7 days
Refrigerated = 7 days
Frozen = 28 days
Refrigerated = 7 days
Frozen = 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.
Methodology
immunoassay
Setup Schedule
M-Sat
Report Available
1 day
Reference Range
CA 27.29 <38 U/mL
This test is performed using the Siemens Chemiluminescent method. Values obtained from different assay methods cannot be used interchangeably. CA 27.29 levels, regardless of value, should not be interpreted as absolute evidence of the presence or absence of disease.
Clinical Significance
CA 27.29 may be useful for monitoring patients for metastatic breast cancer.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
Last Updated: November 28, 2023