GALACTOMANNAN (Precipitin against Aspergillus) *

6400

Additional information
DepartmentSPECIAL TESTS
Speciality NameGALACTOMANNAN (Precipitin against Aspergillus) *
Test typePathology
Also known asAspergillus Antigen, Serum galactomannan test, GM test, Aspergillus galactomannan antigen test
Report5-6 Days
AvailabilityAll centre

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Preparation

No Patient preparation needed.

Overview

Since individuals who have weaker immune systems are prone to more common fungi, they might end up facing some further problems. So, to avoid all such possibilities, it’s better if you try to detect these kinds of infections as soon as possible because that will ensure an amazing recovery rate for them too. Galactomannan Testing can aid in diagnosis in such cases.

City Imaging understands that fast and accurate diagnosis has significance for every individual patient. We provide quality Galactomannan testing service. The price for the Galactomannan Test varies from INR 5000 to INR 8000.

What is the Galactomannan Test?

Galactomannan testing refers to the analysis of a sample of blood for the detection of the existence of galactomannan, a sugar molecule, in cell walls of Ascomycetes fungi.

Finding galactomannan in blood suggests that the growth of fungus is present in the human body.

Why is the Galactomannan Test performed?

Doctors recommend this test when they suspect an invasive fungal infection, especially in patients who are at high risk.

The Galactomannan Test may be ordered for:

  • Persistent fever despite antibiotic treatment
  • Suspected invasive aspergillosis
  • Patients undergoing chemotherapy
  • Bone marrow transplant recipients
  • Organ transplant recipients
  • Individuals with prolonged neutropenia
  • HIV/AIDS patients with weakened immunity
  • Intensive Care Unit patients
  • Individuals receiving long-term steroid therapy
  • Monitoring response to antifungal treatment

What is Aspergillosis?

One of the fungi that could be found in soils, dust, decaying plants or even compost include Aspergillus.

In case you inhale spores of Aspergillus into your lungs, you may not experience any symptoms if you fall under the category of a healthy individual. But there exists some specific category of people who may contract an illness called invasive aspergillosis. This includes those whose immune system has been compromised.

What are the symptoms that may require a GM Test?

Symptoms vary depending on the organs affected but may include:

  • Persistent fever
  • Chronic cough
  • Chest pain
  • Difficulty breathing
  • Blood in sputum
  • Fatigue
  • Weight loss
  • Severe weakness
  • Headache
  • Sinus pain
  • Vision changes

Who should get the Galactomannan Test?

Doctors commonly recommend this test for patients with:

  • Blood cancers such as leukemia
  • Lymphoma
  • Bone marrow transplantation
  • Solid organ transplantation
  • HIV infection with severe immune suppression
  • Long-term immunosuppressive medications
  • Autoimmune diseases requiring steroids
  • Severe neutropenia
  • ICU admission with unexplained fever

How does the Galactomannan Test work?

Another type of immunoassay is performed in the laboratory for testing. In the test, the detection of galactomannan antigens is performed using the blood sample of the patient. Since the Aspergillus fungus is present in the body, it indicates that there will be production of galactomannan antigens in the blood. It means that an increased amount of galactomannan in the blood indicates that there is a high probability of having the disease.

Is any preparation needed?

Patients should:

  • Stay hydrated before the blood draw.
  • Inform the doctor about all medications.
  • Mention any ongoing antifungal treatment.

What is the Galactomannan Test procedure?

The process is prompt and simple:

  1. The healthcare worker disinfects the area.
  2. A sterile needle is inserted into the vein.
  3. A small amount of blood is collected.
  4. The blood sample is sent to the laboratory.
  5. The patient can return to their everyday life afterwards.

How to understand the results?

Results should always be interpreted by a qualified physician.

Negative Result

A negative test generally suggests:

  • No evidence of invasive aspergillosis
  • Very early infection that may not yet be detectable
  • Successful antifungal treatment

Positive Result

A positive result may indicate:

  • Active Aspergillus infection
  • Invasive aspergillosis
  • Early fungal disease requiring further evaluation

Can false results occur?

Yes. Like many laboratory tests, the Galactomannan Test is not perfect.

False Positives

These may occur due to:

  • Certain antibiotics
  • Other fungal infections
  • Laboratory interference
  • Food contamination

False Negatives

False negatives may occur because of:

  • Early infection
  • Ongoing antifungal therapy
  • Low fungal burden
  • Improper timing of sample collection

What are the additional Tests that may be ordered?

To confirm invasive aspergillosis, doctors may recommend:

  • CT Chest
  • Chest X-ray
  • Fungal culture
  • Bronchoscopy
  • PCR testing
  • Beta-D-Glucan Test
  • Complete Blood Count
  • Kidney and liver function tests

What are the advantages of the Aspergillus Antigen Test?

Some important benefits include:

  • Early detection of fungal infections
  • Minimally invasive blood test
  • Helps initiate treatment sooner
  • Useful for monitoring therapy
  • Supports diagnosis before severe symptoms develop
  • High value in immune compromised patients
  • Reduces delays in clinical decision-making

What are the limitations of the Galactomannan Test?

Despite its usefulness, the test has some limitations:

  • Cannot diagnose every fungal infection
  • False-positive and false-negative results may occur
  • Should not be used as the only diagnostic tool
  • Accuracy varies depending on the patient's condition
  • Requires interpretation alongside imaging and clinical findings

Why does early diagnosis matter?

It is known that aspergillosis spreads rapidly within an individual with a weakened immune system. If diagnosed at a later stage, the infection may spread from your lungs to different areas of the body, including the brain, heart, kidneys and others.

The healthcare team can detect this infection through the Galactomannan study at early stage:

  • Start antifungal medications promptly
  • Monitor treatment effectiveness
  • Reduce complications
  • Improve recovery outcomes
  • Shorten hospital stays in many cases

Why choose City Imaging and Clinical Labs for the Galactomannan Test?

Our advantages include:

  • Advanced diagnostic laboratory
  • Experienced pathology professionals
  • High-quality testing standards
  • Accurate and timely reports
  • Hygienic sample collection
  • Affordable diagnostic packages
  • Friendly and compassionate staff
  • Comprehensive healthcare support

How to book Galactomannan test online at City Imaging?

A patient can schedule their Galactomannan test on City Imaging's website or by calling them for assistance in making an appointment. The technician also visits your house to collect samples by booking a home collection on the website. Also, reports are transferred to patients in soft copy, so visiting lab centres is not needed.

Which Galactomannan test centre is near me?

Delhi-based City Imaging has state-of-the-art medical equipment that enables precise testing. Here, well-trained employees compassionately and carefully respond to your enquiries. All of the tests that City Imaging offers are reasonably priced, and low-income people can take advantage of special price breaks.

What is the price of the Galactomannan test in Delhi?

The Galactomannan test can be performed in Delhi at a price that ranges from INR 5000 to INR 8000. The price may vary slightly depending on the machine used, location and type of test.

Conclusion

The Galactomannan Test is a significant diagnostic resource utilised for identifying the presence of Aspergillus infections. Given the fact that fungal infections can progress quite rapidly, early detection of the condition is crucial.

At City Imaging, we use the latest technology in medicine together with well-trained professionals to bring you prompt results of the Galactomannan Test. If your physician has ordered the test, make sure to choose a reliable diagnostic clinic to get the necessary services and accurate results.

 

Frequently Asked Questions (FAQs)

 

Is fasting mandatory for the Galactomannan Test?

Not at all. In general, fasting is not needed unless prescribed by your physician.

How long is required to get the test results back?

Results are typically available on the same day or on other days by most labs, but the time may vary.

What are the other names of the Galactomannan Test?

It is also named as Galactomannan (Aspergillus Antigen), Aspergillus Antigen, Serum Galactomannan test, GM Test.

Does a good Galactomannan Test diagnose aspergillosis?

No, Dr. evaluates the test results with the help of clinical manifestations, imaging analyses as well as other tests.

Is undergoing a Galactomannan Test painful?

During the procedure, doctors only collect a blood sample so patients may only feel a small needle prick.

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