CA 27.29, Breast Tumor Marker


Abbrev Code:C2729   
Order Code:LAB853Order Name:CA27.29 Breast Tumor Marker
Order Instructions:Order CA 27.29 when CA 15-3 is requested.
Synonyms:CA2729; CA 15-3
Methodology:Chemiluminescent immunoassay
CPT Codes: 86300 x1
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Gross hemolysis


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator up to 48 hours or freeze.
Shipping Instructions:Ship at refrigerated temperature. Alternatively, ship on dry ice.
Stability:8 hours at room temperature; 48 hours refrigerated; indefinitely frozen.
Test Performed at or Referral Lab Chemistry  (UMMC-East Bank)


Interpretive

Reference Range:16 years old and older:  0-39 U/mL
The ADVIA Centaur CA27.29 method is used. Results obtained with different assay methods or kits cannot be used interchangeably.
Use: Monitoring of patients with breast cancer, especially in patients with bone pain. Breast carcinoma-associated antigen encoded by the human MUC 1 gene is identified by several names including MAM 6, milk mucin, CA27. 29, and CA15-3.


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