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Specimen Collection Manual and Test Catalog

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CA 27.29

Geisinger Epic Procedure Code:  LAB1932    Geisinger Epic ID:  47149

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Alternate collection container: 
6 mL red-top (plain, non-serum separator) tube
Specimen required: 

1 mL serum; minimum 0.5 mL



SPECIMEN PROCESSING
Processing instructions: 

Allow to clot. Centrifuge and aliquot.


Transport temperature: 

Room temperature.


Specimen stability: 

Room temperature: 7 days. Refrigerated: 7 days. Frozen: 28 days.



TEST DETAILS
Additional information: 

This test was 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


CPT code(s):  86300
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Immunoassay
Synonyms: 

Quest test code 29493, Breast Cancer antigen 2729, 27.29, 27-29, CM2729


Clinical significance: 

CA 27.29 may be useful for monitoring patients for metastatic breast cancer.


Review Date:  12/05/2024

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