Serum Procalcitonin Test: Booking, Price, and Results
About Serum Procalcitonin Test: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | PCT Test, Procalcitonin Blood Test, Serum PCT Test |
| Sample Type | Venous blood (serum) |
| Fasting Required | No |
| Report Time | Within 24 hours |
| Recommended For | All ages and genders |
| Price | Starting at ₹2500 |
What Is a Serum Procalcitonin Test?
A serum procalcitonin test measures the level of procalcitonin, a protein in your blood, to check for serious bacterial infections. Procalcitonin is normally present at very low levels, but it rises sharply when the body responds to a bacterial infection. Doctors use this test to tell apart bacterial infections from viral ones and to assess the risk of sepsis. It is also called a PCT test, procalcitonin blood test, or serum PCT test.
What Does a Serum Procalcitonin Test Measure?
The serum PCT test measures a single key marker in the blood. Here is what that marker indicates:
| Parameter | What It Tells You |
|---|---|
| Procalcitonin (PCT) | A protein produced mainly by cells in the thyroid gland. At normal health, it stays at such low levels that it is barely detectable. When bacteria infect the body, many tissues begin releasing PCT rapidly, making it a reliable early indicator of bacterial infection and possible sepsis. |
Why Is a Serum Procalcitonin Test Done?
Doctors request this test when they need to assess whether a patient has a serious bacterial infection or sepsis. It helps distinguish bacterial causes from viral ones and guides treatment decisions.
Common Symptoms That May Require This Test
The following symptoms may prompt a doctor to order a procalcitonin blood test:
- High fever or unusually low body temperature
- Chills and shivering
- Rapid heart rate
- Difficulty breathing
- Confusion or disorientation
- Extreme pain or general feelings of severe illness
Conditions This Test Can Help Detect
The procalcitonin blood test can help identify several serious conditions. These include:
- Sepsis (a severe, body-wide response to infection, usually bacterial)
- Bacterial pneumonia
- Bacterial meningitis (infection of the membranes around the brain)
- Urinary tract infections that have spread to the bloodstream
- Systemic inflammatory response syndrome (SIRS), helping to distinguish infectious from non-infectious causes
Serum Procalcitonin Test for Chronic Disease Monitoring
Serial serum procalcitonin measurements play an important role in monitoring critically ill patients with sepsis. Doctors track PCT levels over time, typically every two to three days in ICU settings, to assess how well a patient is responding to antibiotic therapy. A significant fall in PCT levels, or a reading below a set threshold, can help guide decisions about when to reduce or stop antibiotic treatment.
How to Prepare and What to Expect
No special preparation is needed for this test, but a few simple steps can make the process easier.
Do You Need to Fast?
No, fasting is not required before a serum procalcitonin test. You can eat and drink normally before giving your sample. If additional tests have been ordered at the same time, check with your doctor whether any of those require fasting.
Practical Tips Before Your Test
These steps will help ensure your sample is collected smoothly:
- Tell your doctor about all medications and supplements you are currently taking.
- If you are on high-dose biotin therapy (more than 5 mg per day), wait at least 8 hours after your last dose before giving your sample.
- Drink enough water before the test to stay well hydrated.
- Inform your doctor if you have recently had major surgery, a serious injury, or burns, as these can affect results.
Step-by-Step Procedure
The sample collection process is straightforward and takes only a few minutes:
- A trained phlebotomist will clean a small area on your arm, usually near the inner elbow.
- A small needle is inserted into a vein to collect a blood sample into a tube or vial.
- You may feel a brief sting when the needle goes in. The entire process usually takes under five minutes.
- The needle is removed, and a small bandage is placed on the site.
- The blood sample is labelled and sent to the laboratory.
Factors That Can Affect Accuracy
Certain factors may influence the PCT test result. These include:
- Recent major surgery, severe trauma, or burns
- Pancreatitis or cardiogenic shock
- End-stage kidney disease
- Medications that stimulate an immune response
- Timing of the test (collecting the sample too early in an infection may give a lower-than-expected reading)
Understanding Your Serum Procalcitonin Test Results
Your results should always be reviewed alongside your symptoms and medical history. The table below shows general reference ranges used to interpret PCT levels.
| PCT Level (ng/mL) | What It Suggests |
|---|---|
| <0.10 | Negative; bacterial infection unlikely |
| 0.10 to 0.25 | Bacterial infection possible but low likelihood |
| 0.25 to 0.50 | Intermediate; bacterial infection likely |
| >0.50 | High; bacterial infection is very likely |
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
Some non-infectious conditions can raise PCT levels and affect how results are read.
- Major trauma, severe burns, pancreatitis, and cardiogenic shock can all elevate PCT even without a bacterial infection.
- Newborns under 72 hours old and patients with end-stage kidney disease may also show higher-than-expected readings.
- Medullary thyroid carcinoma is a rare condition that can cause extremely high PCT levels, sometimes exceeding 10,000 ng/mL.
How to Maintain Healthy Levels
These general habits support your body's ability to fight infection:
- Practise good hygiene, including regular handwashing and proper wound care, to reduce the risk of bacterial infections.
- Seek medical attention promptly if you develop signs of infection such as fever, chills, or a rapid heartbeat.
- If prescribed antibiotics, complete the full course as directed by your doctor.
Lupin Diagnostics Serum Procalcitonin Test Price and Home Collection
The serum procalcitonin test price starts at approximately ₹2500, and home collection is available across major cities. The table below shows indicative prices by city.
| City | Approximate Price ( ₹) |
|---|---|
| Mumbai | ₹2500 |
| Bengaluru | ₹2900 |
| Chennai | ₹2900 |
| Hyderabad | ₹2500 |
| Kolkata | ₹3000 |
| Pune | ₹2500 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Booking your serum procalcitonin test is straightforward with Lupin Diagnostics:
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred time slot.
- Opt for home sample collection by a certified phlebotomist, or visit your nearest Lupin Diagnostics centre.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Home Collection
Lupin Diagnostics offers home sample collection for the serum PCT test across cities in India, making it easy to get tested without travelling. All samples are processed in NABL-accredited laboratories by experienced technologists. Your digital report is delivered directly to your email or WhatsApp.
Frequently Asked Questions
A serum procalcitonin test measures PCT levels in the blood to detect serious bacterial infections and assess the risk of sepsis. It is particularly useful for telling apart bacterial infections from viral ones, which helps doctors decide whether antibiotic treatment is needed.
No fasting is needed before a procalcitonin blood test. You can eat and drink as normal. No special preparation is required unless your doctor advises otherwise.
A high PCT level suggests a serious bacterial infection may be present. Very high levels (above 2.0 ng/mL) are associated with sepsis, and levels above 10.0 ng/mL may point to septic shock. Your doctor will assess the reading in the context of your full clinical picture.
Yes. Non-infectious conditions that cause significant inflammation, such as severe trauma, major surgery, serious burns, pancreatitis, and cardiogenic shock, can also raise PCT levels. Your doctor will consider your full clinical picture before drawing any conclusions.
Both tests are markers of inflammation, but PCT responds faster and is more specific for bacterial infections. PCT becomes detectable within 2 to 4 hours of infection onset and peaks within 6 to 24 hours, while CRP begins to rise only after 12 to 24 hours and peaks at around 48 hours.
For critically ill patients in an ICU setting, PCT is typically measured every 2 to 3 days. Daily measurement may be recommended for patients with confirmed or suspected sepsis, helping doctors assess whether antibiotic therapy is working and when it can safely be reduced or stopped.
Yes. Lupin Diagnostics offers home collection for the serum PCT test. A certified phlebotomist visits your home at your chosen time, collects the blood sample, and dispatches it to an NABL-accredited laboratory. You receive your digital report within 24 hours.
Serum Procalcitonin Test: Booking, Price, and Results
