CA 19-9 Tumour Marker Blood Test (Cancer Antigen 19-9)

The CA 19-9 blood test measures a tumour marker associated with certain cancers. It is used to support monitoring and treatment assessment but is not intended to diagnose or screen for cancer.

Doctor reviewed

Sample: Blood
Collection: Venous draw at clinic or nurse home visit
Results in: 1 day
Biomarkers: 1
Doctor reviewed: Yes

Tests for

CA 19-9

Test specifications

Provider: Blue Horizon Medicals
Sample type: blood
Collection method: venous draw at clinic or nurse home visit
Turnaround time: 1 day
Biomarkers tested: 1
At-home test: No
Doctor reviewed: Yes
Gender focus: Both

What's tested

1 biomarker as listed by Blue Horizon Medicals.

CA 19-9

About this test

The CA 19-9 blood test measures the level of Cancer Antigen 19-9 (CA 19-9), a tumour marker that may be elevated in certain cancers and some non-cancerous conditions.

The CA 19-9 tumour marker blood test is not a diagnostic test or a general screening test for cancer. It is primarily used alongside other clinical investigations to monitor patients with a known condition, assess response to treatment, or check for changes over time.

A raised CA 19-9 result does not necessarily mean that cancer is present. Levels may also be increased by a range of benign conditions, including inflammation, gallstones, bile duct obstruction, pancreatitis and liver disease.

Results should always be interpreted by a doctor alongside your symptoms, medical history, imaging scans and any other relevant laboratory tests.

Description provided by Blue Horizon Medicals.

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