Rare diseases · Sign or symptom

Elevated circulating mucin 16 concentration

HP:0031030

What it means

The concentration of mucin-16 (also known as CA-125) in the blood circulation is above the upper limit of normal.

Cancer-antigen 125 (CA-125) is used as a biomarker for ovarian and other cancers. Mucin 16 (cancer antigen 125) is a cell surface glycoprotein that plays a role in promoting cancer cell growth in ovarian cancer.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Elevated carcinoma antigen 125 level · Elevated circulating CA-125 concentration · Elevated mucin-16 concentration · Elevated mucin-16 level · Elevated mucin-16 level in blood · Increased mucin-16 concentration · Increased mucin-16 level · Increased mucin-16 level in blood

Elevated circulating mucin 16…

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This page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.