Cancer Antigen 125 (CA 125) Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	$28.99	Coming soon
Results in	~2 business days	—
Sample type	Blood Serum	—
Require fasting	No	—

About the test

CA 125 (Cancer Antigen 125) is a protein that may be elevated in the blood of individuals with certain cancers, most commonly ovarian cancer. It is used to monitor treatment response, detect recurrence, and sometimes assist in diagnosis, although elevated levels can also be seen in non-cancerous conditions like menstruation, endometriosis, and pelvic inflammatory disease.

Included biomarkers & Reference ranges

Biomarker	Reference range
Cancer Antigen 125 (CA 125) A protein used mainly to monitor ovarian cancer treatment and detect recurrence; it can also be elevated by non-cancerous conditions like endometriosis.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

Preparation

Collect your sample at least three weeks after the completion of primary chemotherapy and at least two months following abdominal surgery.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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