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Test Code CA125 CA125

Important Note

24 hours before this blood test: Do not take any supplements containing biotin or Vitamin B7 which are commonly found in hair, skin, and nail supplements, and multi-vitamins.

Sufficient Biotin concentrations in serum can lead to falsely decreased results.

Methodology

Chemiluminescent Immunoassay - OrthoClinical Diagnostics Vitros 7600 XT

Useful for predicting recurrent ovarian cancer or intraperitoneal tumor, and evaluating response to cancer therapy, especially ovarian cancer.

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Serum

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 1 mL (minimum volume: 0.25 mL) of serum

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

 

Alternate:

Serum

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 1 mL (minimum volume: 0.25 mL) of serum

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum).

 

 

Plasma

Container/Tube: Green-top (lithium heparin) tube(s) or lavender-top (EDTA) tube(s)

Specimen Volume: 1 mL (minimum volume: 0.25 mL) of plasma

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (plasma).

Day(s) Test Set Up

Monday, Wednesday and Friday

Reference Values

0-35 U/mL

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

Performing Laboratory

Logan Health Medical Center-Chemistry

Test Classification and CPT Coding

86304

Specimen Transport Temperature

Refrigerate