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Test Code 2729M Breast Carcinoma-Associated Antigen (CA 27.29), Serum

Additional Codes

MAYO Test ID
C2729
EPIC Test ID
LAB853

 

Useful For

FDA-approved cancer-associated antigen (CA 27.29) for serial testing in women with prior stage II or III breast cancer who are clinically free of disease

 

Predicting early recurrence of disease in women with treated carcinoma of the breast

 

As an indication that additional tests or procedures should be performed to confirm recurrence of breast cancer

Method Name

Chemiluminometric Immunoassay

Reporting Name

Breast Carcinoma Assoc Ag(CA 27.29)

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions:

1. Serum gel tubes should be centrifuged within 2 hours of collection.

2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.


Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 90 days
  Refrigerated  7 days
  Ambient  4 days

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

Mild OK; Gross OK

Icterus

NA

Other

NA

 

Reference Values

Males

≥18 years: ≤38.0 U/mL (use not defined)

Females

≥18 years: ≤38.0 U/mL

Reference values have not been established for patients who are <18 years of age.

Serum markers are not specific for malignancy, and values may vary by method.

Day(s) and Time(s) Performed

Monday through Friday; 8:30 p.m.-6 a.m.

Analytic Time

Same day/1 day

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86300

LOINC Code Information

Test ID Test Order Name Order LOINC Value
C2729 Breast Carcinoma Assoc Ag(CA 27.29) 17842-6

 

Result ID Test Result Name Result LOINC Value
C2729 Breast Carcinoma Assoc Ag(CA 27.29) 17842-6

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

General Request Form (T239) (http://www.mayomedicallaboratories.com/it-mmfiles/general-request-form.pdf)

Oncology Test Request Form (T729) (http://www.mayomedicallaboratories.com/it-mmfiles/oncology-request-form.pdf)