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CA27.29


TEST DIRECTORY
Test Name
CA27.29
Alternate Names
cancer antigen 27-29
Test Code
CA27-29
SPECIMEN REQUIREMENTS
Specimen Requirements
Minimum of 1.0 mL serum; alternately 1.0 mL serum from Red Top tube
Supplies for Submission
SST/Gold Top (1); alternately Red Top (1)
Specimen Collection
  1. Label serum separator tube (SST) with two identifiers. Acceptable identifiers include patient’s name, date of birth, social security number, requisition number, and medical record number.
  2. Allow SST contents to clot in an upright position for at least 30 minutes (60 minutes for Red Top tube).
    • SST specimen - centrifuge within 2 hours of collection and freeze - send this aliquot separately when multiple tests are ordered.
    • Red Top specimen - centrifuge within 2 hours of collection, transfer serum to a plastic transport tube labelled appropriately and as Red Top serum, and freeze - send this aliquot separately when multiple tests are ordered.
Storage Requirements
After separation from cells, specimens are stable if refrigerated for 2 days or frozen for 3 months.
Causes for Rejections
Plasma samples are not accepted.
GENERAL AND TECHNICAL INFORMATION
CPT Code
86300