Cancer Antigen 72-4
Private Cancer Antigen 72-4 blood test in London for £176, measuring one tumour marker with results expected in approximately 6 business days.
Turnaround time
6 business days
Biomarkers count
1
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Overview of the Cancer Antigen 72-4
The Cancer Antigen 72-4 blood test is a specialist tumour-marker investigation that measures Cancer Antigen 72-4, commonly abbreviated to CA 72-4.
CA 72-4 detects an antigen associated with tumour-associated glycoprotein 72. Increased concentrations have been reported particularly in gastric adenocarcinoma and some mucinous ovarian cancers.
The test contains 1 biomarker: Cancer Antigen 72-4.
CA 72-4 is not suitable as a general cancer screening test in people without a known or suspected malignancy. Its sensitivity is insufficient for a normal result to reliably exclude cancer, and elevated concentrations are not specific enough to establish a diagnosis by themselves.
Its clinical value is generally greater when it is used within specialist assessment or for monitoring a previously diagnosed tumour known to produce CA 72-4.
Serial measurements can be more informative than a single isolated result. Falling concentrations during treatment may accompany a treatment response, while rising concentrations can prompt further clinical assessment.
CA 72-4 may be interpreted alongside other tumour markers such as CA 19-9, CEA or CA-125 depending on the suspected or confirmed cancer type.
Results should always be considered alongside imaging, histology, symptoms and specialist assessment rather than used independently to diagnose or exclude malignancy.
What Does the Cancer Antigen 72-4 Test Check?
This test measures 1 biomarker.
Cancer Antigen 72-4
Measures CA 72-4, a tumour-associated antigen that may be elevated particularly in gastric adenocarcinoma and some mucinous ovarian cancers. The marker is generally more useful for specialist assessment and monitoring than for cancer screening or standalone diagnosis.
Who May Benefit From the Cancer Antigen 72-4 Test?
This test may be suitable for people in whom CA 72-4 has been specifically requested as part of investigation or monitoring of a known or suspected malignancy.
People with known gastric cancer - Serial CA 72-4 measurements may provide additional information about disease activity where the tumour produces the marker.
People receiving treatment for gastric cancer - Trends may be used alongside imaging and clinical findings to assess response.
Follow-up after gastric cancer treatment - Repeat testing may form part of specialist surveillance in selected patients.
People with mucinous ovarian cancer - CA 72-4 may occasionally provide complementary information alongside other tumour markers.
Previously elevated CA 72-4 - A marker that was elevated before treatment may be useful for longitudinal monitoring.
Rising tumour markers during follow-up - Repeat measurement can help confirm whether a trend persists before further investigation.
Assessment alongside CA 19-9 or CEA - Combining markers may provide complementary information in selected gastrointestinal malignancies.
Assessment alongside CA-125 - CA 72-4 may sometimes be used as an additional marker in selected ovarian tumour investigations.
Specialist-requested tumour marker monitoring - The test can be arranged privately where an oncologist, gastroenterologist, gynaecologist or GP has specifically requested CA 72-4.
How to Prepare
For cancer monitoring, consistency is particularly important. Serial CA 72-4 results are generally more informative when interpreted in relation to previous values, treatment dates and imaging findings.
Do not make treatment decisions on the basis of a CA 72-4 result without review by the specialist responsible for your care.
Symptoms and Reasons to Consider the Cancer Antigen 72-4 Test
The Cancer Antigen 72-4 test should not generally be ordered solely because of non-specific symptoms. Symptoms suggestive of gastrointestinal or ovarian disease require appropriate clinical assessment, with tumour-marker testing used only where relevant within that investigation.
Persistent upper abdominal pain - Ongoing abdominal symptoms require assessment because many benign and malignant conditions can produce similar discomfort.
Unexplained weight loss - Unintentional weight loss may warrant clinical investigation but is not specific to cancer.
Persistent loss of appetite - Reduced appetite has numerous potential causes and should be assessed when unexplained or progressive.
Early satiety - Feeling full after eating small amounts can occur with several gastrointestinal conditions.
Persistent abdominal bloating - Bloating can occur with benign gastrointestinal or gynaecological conditions as well as malignancy.
Known gastric malignancy - Symptoms or clinical changes during follow-up may prompt repeat tumour-marker testing alongside imaging.
Known ovarian malignancy - CA 72-4 may occasionally be monitored where the tumour has previously produced the marker.
Unexpected change during cancer treatment - A specialist may repeat CA 72-4 when disease activity or treatment response is being reassessed.
These symptoms do not mean that cancer is present, and CA 72-4 should not be used as a substitute for appropriate diagnostic investigation.
A normal CA 72-4 result cannot exclude gastric, ovarian or another cancer. Likewise, an elevated result cannot establish a cancer diagnosis without supporting clinical and imaging evidence.
Persistent unexplained weight loss, vomiting, gastrointestinal bleeding, progressive abdominal swelling or severe abdominal symptoms should be assessed by an appropriately qualified healthcare professional.
How to Book Your Cancer Antigen 72-4 Test
Booking your Cancer Antigen 72-4 test with London Blood Tests is simple and designed to fit around your schedule.
Choose the Cancer Antigen 72-4
Select the Cancer Antigen 72-4 test online and review the included tumour marker before booking.
Select your sample collection option
Choose an in-clinic blood draw (+£35) or a home or hotel phlebotomy visit (+£60) where a qualified phlebotomist collects your sample.
Attend your appointment
A trained professional will collect your blood sample safely and efficiently at the clinic or during your arranged home or hotel visit.
Laboratory analysis
Your sample is sent to the laboratory, where Cancer Antigen 72-4 is measured using specialist tumour-marker analysis.
Receive your results securely
Your results are sent securely by email, ready to review yourself or discuss with an oncologist, gastroenterologist, gynaecologist, GP or other suitably qualified healthcare professional.
When Will I Receive My Results?
The expected turnaround time for the Cancer Antigen 72-4 test is approximately 6 business days after your sample arrives at the laboratory.
Results are sent securely by email once specialist laboratory analysis and authorisation are complete.
Specialist tumour-marker testing may occasionally require repeat analysis or additional laboratory review, which can extend the expected turnaround.
Understanding Your Results
Your Cancer Antigen 72-4 result shows the concentration of CA 72-4 measured in your blood according to the laboratory method and reference interval used.
A result within the laboratory reference interval does not exclude malignancy.
CA 72-4 has limited sensitivity, meaning some gastric and ovarian cancers do not produce enough of the marker to cause an elevated blood result.
An elevated result may occur in some gastric cancers, particularly more advanced disease, and in selected mucinous ovarian malignancies.
However, elevation is not diagnostic by itself, and CA 72-4 can occasionally increase in non-malignant conditions.
The marker is generally most useful when it was elevated at baseline in someone with a confirmed malignancy. In this setting, serial measurements may help specialists assess trends.
Falling concentrations during treatment may accompany reduced tumour activity, while rising values may prompt further assessment.
Changes should always be interpreted alongside imaging, symptoms, clinical examination and other tumour markers rather than being treated as direct evidence of progression or recurrence.
Why Book With London Blood Tests?
Private CA 72-4 testing in London - Access specialist Cancer Antigen 72-4 testing through London Blood Tests.
Targeted tumour-marker measurement - Measure CA 72-4 independently without having to book a broad health profile.
Relevant to selected gastric cancer monitoring - Serial CA 72-4 testing can provide additional information where a gastric tumour produces the marker.
Relevant to selected ovarian tumour monitoring - CA 72-4 may provide complementary information in some mucinous ovarian malignancies.
Useful alongside other tumour markers - The result may be interpreted with CA 19-9, CEA or CA-125 depending on the clinical context.
Specialist laboratory analysis - Your sample is processed using dedicated tumour-marker testing methods.
Clinic and home visit options - Choose an in-clinic blood draw or arrange home or hotel phlebotomy depending on location and availability.
Secure results by email - Receive your authorised laboratory result securely once analysis is complete.
Clear pricing before booking - The Cancer Antigen 72-4 test is priced at £176, with sample collection charges shown separately.
Private Cancer Antigen 72-4 Blood Test in London
London Blood Tests provides the Cancer Antigen 72-4 blood test in London for people requiring specialist measurement of CA 72-4.
The test costs £176 and measures one biomarker: Cancer Antigen 72-4.
CA 72-4 is a tumour-associated marker most commonly discussed in relation to gastric adenocarcinoma and selected mucinous ovarian cancers. It is generally more useful in monitoring known disease than as an isolated diagnostic or screening test.
Clinic appointments are available alongside home and hotel phlebotomy depending on location and availability, providing flexible options for people looking for a private CA 72-4 blood test in London.
Results should be interpreted by an appropriately qualified healthcare professional alongside imaging, histology, other tumour markers and previous CA 72-4 measurements where available.