Jan 30, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

CA 15-3

CA 15-3 (XCA153) Chemistry Lab Test

Name: CA 15-3

Test Name: CA 15-3

Health Link Test Code: XCA153

LIS Test Code: CA153

CPT Code(s): 86300

Methodology: Chemiluminescent Immunoassay

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Specimen: Blood

Collection Container: Red cap with yellow ring (SST)

Also Acceptable: Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.5 mL

Stability Ambient:

24 hours

Stability Refridgerated:

7 days removed from cells, clot, or gel

24 hours on gel

Stability Frozen:

>7 days

Sample Analyzed: Serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.15 mL

Specimen Processing:

Centrifuge. If a complete barrier has not formed, transfer cell-free serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.


0 days and up: 0-31 U/mL

Interpretation Type: Reference Interval

Effective Date of Reference Range: Mon, 10 Aug 2015 00:00:00 CDT

Test Limitations:

The ARCHITECT CA 15-3 assay is to be used as an aid in the management of Stage II and III breast cancer patients. The ARCHITECT CA 15-3 assay should not be used as a cancer screening test.

Results may be affected if patient has developed heterophillic antibodies due to exposure to animal based protein products.

A high dose hook effect is not seen up to 22,000 U/mL.

Additional Information:

The Abbott ARCHITECT CA 15-3 method is used. Results obtained with different assay methods or kits cannot be used interchangeably.