Elmi Laboratories

Carbohydrate Antigen 15-3 (CA 15-3) blood test

Normal Reference Range

0 – 30 U/mL

Test Information

Carbohydrate Antigen-153 is expressed in some cancers (predominantly breast, though primary tumours of the, lung, colon, pancreas, liver and endometrium may also give rise to elevations of CA-153.) Several benign conditions may also cause increased levels: notably cirrhosis, hepatitis, some autoimmune-mediated disease and benign conditions of the ovary or breast.

Clinical Indications

Diagnostic of breast cancer (raised in 30% of localised disease, 75% metastasised) Prognostic indicator in established breast cancer / monitoring treatment effectiveness/ ?relapse

Sample Required

5mL serum sample blood tube is required for CA-153 blood test

Min. sample volume


Special Instructions and Precautions

Not applicable

Time Limits For Retrospective Testing

5 days

Any factors affecting the test

Not applicable

Turnaround Time

6 hrs

Referral centre (if applicable)

Details of referral laboratory available on request

Test Code


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