Influenza Panel PCR (Influenza A, H1N1, H3N2, Influenza B) Test: Booking, Price, and Results
About Influenza Panel PCR (Influenza A, H1N1, H3N2, Influenza B) Test: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | Flu Panel PCR, Influenza A & B PCR, H1N1/H3N2 PCR Test, Swine Flu PCR, Respiratory Flu Panel |
| Sample Type | Nasopharyngeal swab (swab from the back of the nose) and/or throat swab in viral transport medium (VTM) |
| Fasting Required | No fasting required |
| Report Time | Same day to within 24 hours |
| Recommended For | All ages; especially important for those aged 65 and above, young children, pregnant women, and individuals with weakened immunity |
| Price | Starting at ₹3,500 |
What is an Influenza Panel PCR (Influenza A, H1N1, H3N2, Influenza B) Test?
The Influenza Panel PCR test detects flu-causing viruses in the respiratory tract using a technique called real-time reverse transcriptase-polymerase chain reaction (RT-PCR). It identifies whether influenza A or B viruses are present and further determines which influenza A subtype (H1N1 or H3N2) is involved. Doctors prescribe this test when a patient shows flu symptoms, particularly for those at higher risk of complications. The sample is collected via a nasal or throat swab.
Also known as the Flu Panel PCR, Influenza A & B PCR, or Swine Flu PCR, this test is among the most accurate methods available for confirming an active influenza infection.
What Does an Influenza Panel PCR Test Measure?
The Influenza PCR Panel detects four distinct viral targets in the respiratory sample, along with an internal quality control marker. Here is what each parameter represents:
| Parameter | What It Checks |
|---|---|
| Influenza A | Detects any influenza A virus, a major cause of seasonal flu with potential for severe disease |
| Influenza A H1N1 | Identifies the H1N1 subtype, commonly known as swine flu, which can cause serious respiratory illness |
| Influenza A H3N2 | Identifies the H3N2 subtype, a seasonal strain associated with varying severity |
| Influenza B | Detects influenza B virus, which generally causes milder illness and infects only humans |
| Internal Control (RNase P) | Confirms that the swab was collected correctly and that the sample is valid for testing |
Why is an Influenza Panel PCR Test Done?
This test is used to confirm whether symptoms are caused by an active flu infection and to identify the specific virus involved. Knowing the exact strain helps doctors make faster, more informed decisions about care and infection control.
Common Symptoms That May Require This Test
A doctor may recommend the influenza PCR test when any of the following symptoms are present:
- Fever (sudden onset)
- Persistent cough
- Sore throat
- Runny or blocked nose
- Body aches and headache
- Chills
- Unusual fatigue
Conditions This Test Can Help Detect
The test is used to identify or rule out the following:
- Active influenza A infection, including the H1N1 and H3N2 subtypes
- Active influenza B infection
- Differentiation between influenza strains to guide antiviral treatment decisions
- Influenza as a contributing factor during respiratory illness outbreaks
Influenza Panel PCR Test During Pregnancy
Pregnant women face a higher risk of severe illness from influenza compared to the general population. Complications can include pneumonia, hospital admission, preterm delivery, and, in rare cases, serious outcomes for both mother and baby. Early testing allows doctors to begin antiviral treatment promptly, which is the recommended approach for pregnant patients with suspected flu symptoms.
How to Prepare and What to Expect
No special preparation is needed before this test. The notes below will help you feel more at ease on the day of collection.
Do You Need to Fast?
No, fasting is not required for this test. You may eat and drink normally beforehand.
Practical Tips Before Your Test
A few simple steps can help ensure an accurate sample is collected:
- Get tested as soon as symptoms appear. The virus is most detectable in the first one to four days of illness.
- Let your doctor or collection professional know about any current medications, medical conditions, or allergies.
- Inform the technician if you have used any nasal sprays or medications, as these may affect sample quality.
- You may be asked to fill out a clinical information form before the swab is taken.
Step-by-Step Procedure
- You will be asked to sit comfortably with your head tilted slightly back.
- A soft swab is gently inserted through one nostril and guided horizontally to the back of the nasal passage.
- The swab is rotated two to three times and held briefly in place for several seconds to absorb the sample.
- The swab is carefully removed and placed into a tube containing viral transport medium (VTM) to preserve the sample.
- The tube is sealed, labelled, and stored at the correct temperature (2 to 8°C) for transport.
- The sample is sent to the laboratory, where RT-PCR analysis is performed, and results are issued within the same day or within 24 hours.
Factors That Can Affect Accuracy
- Delay in testing after symptom onset (viral levels drop after the first few days)
- Inadequate swab depth or technique during collection
- Presence of blood, nasal secretions, or nasal medications in the sample
- Improper storage or transport of the sample before reaching the laboratory
Understanding Your Influenza Panel PCR Test Results
The table below explains what each outcome generally means.
| Parameter | Result | Interpretation |
|---|---|---|
| Influenza A | Detected / Not Detected | Qualitative result indicating the presence or absence of the influenza A virus |
| Influenza A H1N1 | Detected / Not Detected | Indicates whether the H1N1 (swine flu) subtype is present |
| Influenza A H3N2 | Detected / Not Detected | Indicates whether the H3N2 seasonal subtype is present |
| Influenza B | Detected / Not Detected | Qualitative result for the influenza B virus |
| Internal Control (RNase P) | Detected | Confirms the sample was collected adequately and the test is valid |
A "Detected" result means the virus was found in the sample during testing. A "Not Detected" result indicates no active infection was identified at that point, though it does not rule out exposure after the sample was taken or a sample collected very early or late in the illness course.
These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
Certain health conditions can influence how results are interpreted:
- Individuals with weakened immunity may shed the virus for longer than usual, which can affect how results correlate with symptoms.
- In adults, PCR sensitivity may be slightly reduced if a sample is collected after the third day of illness.
- Elderly patients and those with conditions such as heart failure, COPD, or kidney disease are at greater risk of complications and warrant careful clinical review of results.
- Young children tend to carry higher viral loads and shed the virus for longer periods, which may influence the interpretation of results.
How to Maintain General Wellness
These general wellness habits can support a healthy immune system and reduce the risk of flu infection:
- Get an annual influenza vaccination before the flu season begins.
- Wash your hands frequently and cover your mouth and nose when coughing or sneezing.
- Support your immune health through regular sleep, a balanced diet, and consistent physical activity.
Lupin Diagnostics Influenza Panel PCR (Influenza A H1N1 H3N2, Influenza B) Test Price and Home Collection
The Influenza PCR Panel is available at Lupin Diagnostics with home sample collection. The approximate price across major Indian cities is listed below.
| City | Approximate Price (₹) |
|---|---|
| Mumbai | ₹3,500 |
| Bangalore | ₹3,500 |
| Hyderabad | ₹3,500 |
| Kolkata | ₹3,500 |
| Chennai | ₹3,500 |
| Pune | ₹3,500 |
| Bhubaneshwar | ₹3,500 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred time slot.
- Opt for home sample collection by a certified technician, or visit your nearest Lupin Diagnostics centre. This test may warrant a visit to the centre, depending on the swab obtained.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Home Collection
Influenza PCR Panel home collection is available in cities across India, so you can get tested without stepping out. All samples are processed in NABL-accredited laboratories by trained professionals. Your digital report is delivered securely via email or WhatsApp.
Frequently Asked Questions
Both influenza A and influenza B cause similar flu symptoms such as fever, cough, and body aches. However, influenza A spreads more easily between people and tends to cause more severe illness. Influenza B generally leads to milder disease and does not spread as widely. The influenza panel test helps identify which type of influenza is active in a patient.
For the best chance of detection, get tested as soon as symptoms begin. The virus is most abundant in the first 1 to 4 days of illness. Testing too late in the illness course may reduce the chance of a positive result even when infection is present.
Most people find the swab causes mild, brief discomfort rather than pain. The swab is inserted gently into the nostril and removed within seconds. Serious complications from the procedure are extremely rare.
RT-PCR is among the most accurate methods for detecting flu viruses in respiratory samples. Studies report a sensitivity of around 96% for influenza A and 91% for influenza B, with a specificity of approximately 100%. Accuracy is highest when the sample is collected early in the illness.
Anyone with suspected flu symptoms who requires hospitalisation should be tested. Those at higher risk of serious complications, including infants, adults aged 65 and above, immunocompromised individuals, and people with lung or heart conditions, should also consider testing promptly when symptoms arise.
A negative result means the virus was not detected in the sample at the time of testing. However, it does not fully rule out infection. The sample may have been collected too early or too late, or there may have been a limitation in the sample collection technique. A doctor will consider the result alongside symptoms and overall health.
Flu during pregnancy carries a higher risk of serious illness, including pneumonia and hospitalisation, for both the mother and baby. Early and accurate diagnosis using influenza A and B PCR testing allows doctors to start treatment quickly. Pregnant individuals with flu-like symptoms should seek medical advice without delay.
Influenza Panel PCR (Influenza A, H1N1, H3N2, Influenza B) Test: Booking, Price, and Results
