CA 125

Message

When serial specimens are being evaluated, the same type of specimen should be used throughout the study. Collect a full tube, following standard venipuncture techniques.

Test Code

LAB155 CA125

Alias/See Also

CA125

CPT Codes
86304

Instructions

Processing Instructions (Lab use only): Centrifuge to separate from cells as soon as possible. If testing will be delayed for more than 24 hours, remove serum from the clot, serum separator and refrigerate.If testing will be delayed for more than 7 days store the aliquot sample in the freezer at -20°C or colder. Minimum Testing Volume: 1.0mL Serum Transport Temperature: Refrigerated Stability: Ambient: N/A Refrigerated (ON GEL): 24 hoursRefrigerated (OFF GEL): < 8 daysFrozen (OFF GEL): > 7 days Avoid multiple freeze/thaw cycles of specimens; thaw and vortex gently or mix by gentle inversion. Centrifuge to remove red cells or particulate matter, if necessary.Causes for Rejection: Unlabeled, mislabeled, wrong tube type, QNS, gross hemolysis.

Clinical Significance

1230130087

Last Updated: May 18, 2026

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.