Cancer Antigen (CA) 15-3 (Serial Monitor)

CPT: 86300
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Synonyms

  • CA 15-3

Test Includes

Long-term serial monitoring of results; color graphic summary report


Special Instructions

The account must submit the patient's Social Security number to monitor. Values obtained with different assay methods should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient's course of therapy. To order this test without the serial monitor service, use test 143404. For a complete test description, see Cancer Antigen (CA) 15-3.

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.


Expected Turnaround Time

Within 1 day


Related Documents


Specimen Requirements


Specimen

Serum


Volume

1 mL


Minimum Volume

0.7 mL (Note: This volume does not allow for repeat testing.)


Container

Gel-barrier tube (preferred) or red-top tube


Collection

If a red-top tube is used, transfer separated serum to a plastic transport tube.


Storage Instructions

Room temperature


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
483404 CA 15-3 (Serial Monitor) 143413 Cancer Antigen 15-3 U/mL 6875-9
483404 CA 15-3 (Serial Monitor) 511958 PDF 80563-0

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