Collection Method


Kit Requirements

SST Serum

Turn Around Time

48 hours Turnaround times are estimates


Cancer Antigen 15-3 short for (CA15-3) is a tumor marker used to monitor the treatment mainly of breast cancer. However, it may be used for colon, lung, ovarian and pancreatic cancer. CA15-3 is found on the surface of many types of cancer cells and shed into the blood stream

A physician will order the CA15-3 test for a patient to mainly monitor the progress of breast cancer. It is essential that a baseline CA15-3 test is measured before treatment of breast cancer and a follow up test after treatment to obtain the CA15-3 level.


  • Cancer Antigen
    • 15-3 Primarily: Breast (also Colon, Lung, Ovarian, Pancreas)

Test Method

Automated chemistry

Common Conditions

  • Reproductive Health
    • Changes in the breast
  • Endocrine and Hormonal Health
    • Hormone imbalances/change
  • Other Health Conditions
    • Loss of hair
    • Lumps on the breast
    • Pain
  • Mental and Emotional Health
    • Stress

Notice To Patients

NutriPATH practices in the usual practitioner-referral system for pathology laboratories. Patients are highly recommended to seek the supervision and guidance of a qualified healthcare practitioner for the interpretation of any lab results and associated information. NutriPATH can offer assistance in locating a suitable practitioner.

Find a Practitioner

How it works

Step 1

Order test

Your referring practitioner will place this order via their online portal.

Step 2

Collect Samples

A test kit will be dispatched to you and you can conveniently collect your sample in the comfort of your home.

Step 3

Return Samples

Return samples for analysis via the provided courier packaging.

Patient resources

Our highly skilled and qualified team have created a service where patients can easily gain access to a wide range of pathology testing options.

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Practitioner resources

As a leader in the industry, practitioners are able to trust in our ability to provide them with the technology they need to adequately test their clients and patients.

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