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CANCER ANTIGEN-BREAST

Mnemonic

CA-BREAST

Synonym

CA 15-3

Specimen Collection Requirements

Collect

Serum or Plasma, one gold (SST), green (sodium or lithium heparin) or lavender (EDTA) top tube

Handling

Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.5 mL (1.2 mL minimum whole blood draw)

Transport

Refrigerated

Stability

AFTER SEPARATION FROM CELLS: Ambient: 8 hours; Refrigerated: 5 days; Frozen: 3 months

Testing Information

Performed

7 days/week

Reported

3-5 days

Method

Electrochemiluminescent Immunoassay

Referral Lab

ARUP (80464)

Reference Values

Reference Values

0-31 U/mL

CPT Codes

86300

Last Updated: Friday, March 24, 2017 03:28:33 PM


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