Autoimmune Screening Panel - Standard
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Complement 3 (C3) detects auto-antibodies that can point towards an autoimmune condition and usually guides further, more specific testing.
Also known as: C3, Complement Component 3
Sample
Blood
Fasting
Not required
Report in
24 hours
Collection
Free at home
Complement 3 (C3) is a protein that is part of the immune system’s complement pathway, which helps fight infections and clear immune complexes. Abnormal levels can indicate certain autoimmune or infectious conditions.
Ordered to help evaluate and monitor autoimmune conditions like lupus, and certain kidney diseases where complement levels can be informative.
It can help your doctor assess
Active lupus (levels often drop during flares) and certain other autoimmune or kidney conditions.
This test may be considered for:
Whether this test is right for you depends on your symptoms, medical history and the reason for testing - your doctor can advise.
The concentration of the C3 complement protein in the blood.
C3
Complement System
Levels often fall during active autoimmune disease flares (like lupus) as the complement system is consumed fighting immune complexes - useful for monitoring disease activity over time.
How to read your result
Your report should be read using the reference interval, unit and method shown by the performing laboratory. A result outside a reference interval does not automatically establish a diagnosis, and a result inside the interval does not rule out every health problem. Clinical interpretation depends on symptoms, history and other findings.
| Marker | Result | What it may be associated with |
|---|---|---|
| C3 | Low | Can indicate active autoimmune disease (like a lupus flare) or certain kidney conditions where complement is being consumed. |
If a result is outside the range
If the Complement 3 (C3) is reported as high, low, positive, negative or otherwise outside the laboratory's stated interval, the meaning depends on the specific test and the reason it was ordered. Your clinician may consider repeat testing, related investigations or other clinical information before deciding what the result means.
Limitations of this test
C3 is typically used to monitor a known condition rather than diagnose one from scratch - it’s interpreted alongside your clinical picture and other autoimmune tests.
An abnormal result does not by itself mean you have a particular disease. Your doctor interprets results together with your symptoms, history and other tests.
| Parameter | Reference range | Unit |
|---|---|---|
| C3 | 90 - 180 | mg/dL |
Typical adult ranges for guidance. Reference intervals vary with the laboratory method, age and sex - always read your result against the range printed on your own report.
Book
Choose the test and a time slot online, or call us and we'll book it for you.
Prepare
Follow the preparation steps above for this test.
Sample collection
A trained phlebotomist collects the sample at your home - no extra charge.
Laboratory processing
Your sample is processed in our laboratory and reviewed by a pathologist.
Report
Your report is shared on WhatsApp and email, usually within 24 hours.
For a blood-based test, a small blood sample is collected by a trained healthcare professional, usually from a vein in the arm. The collection normally takes only a few minutes; mild temporary discomfort or bruising can occur at the puncture site.
Acute infections and inflammation can sometimes raise C3, while active autoimmune flares typically lower it - context from your doctor is essential.
Laboratory results are interpreted together with your symptoms, medical history and other investigations. If your results are significantly abnormal, or you have symptoms that worry you, discuss them with a qualified doctor promptly.
Trusted public health sources for the information on this page:
This information is for general awareness and does not replace advice from your doctor.
The C3 test cost in Mumbai at HWP Diagnostic is ₹799 - 24% less than the MRP of ₹1,049. There are no extra charges for home sample collection. The same price applies across Malad, Kandivali, Borivali and Goregaon.
| Test | Complement 3 (C3) |
|---|---|
| Price at HWP Diagnostic | ₹799 |
| MRP | ₹1,049 (you save ₹250 - 24% off) |
| Home collection charge | Free |
| Report time | 24 hours |
| Fasting | Not required |
| Available in | Malad, Kandivali, Borivali & Goregaon (same price) |
Book the C3 test with free home sample collection anywhere in Malad, Kandivali, Borivali and Goregaon, or walk in to our lab in Malad West, Mumbai - open 24×7.
Home collection areas include
Malad WestMalwani & KharodiMalad EastKandivali WestKandivali EastBorivali WestGorai & Borivali WestIC Colony & MandapeshwarBorivali EastGoregaon WestBangur Nagar & Motilal NagarGoregaon EastAarey ColonyDahisarJogeshwari WestJogeshwari East
Directions on Google MapsThe full form of C3 is Complement 3. It is also known as C3, Complement Component 3.
Home collection at the same price (₹799) across these areas, with our lab in Malad West open 24×7.
Get this test along with other important checks - usually for less than booking them separately.
No fasting is required.
In conditions like lupus, C3 tends to drop during active disease flares and recover during remission, so tracking it over time helps monitor disease activity and response to treatment.
Complement 3 (C3) is a blood test. Complement 3 (C3) detects auto-antibodies that can point towards an autoimmune condition and usually guides further, more specific testing.
The Complement 3 (C3) may be ordered when a healthcare professional needs information about the condition or health area assessed by this test. Complement 3 (C3) detects auto-antibodies that can point towards an autoimmune condition and usually guides further, more specific testing. At HWP Diagnostic the sample can be collected free at your home in Malad and nearby Mumbai areas, and the report is usually shared within the same day or next day. Please carry or upload your doctor's prescription where the test needs one, and discuss the result with your doctor for a full interpretation.
Complement 3 (C3) detects auto-antibodies that can point towards an autoimmune condition and usually guides further, more specific testing.
The test may be relevant for people whose symptoms, medical history, screening needs or treatment monitoring match the purpose of the Complement 3 (C3).
No special preparation is needed for this test.
No, fasting is not required for the Complement 3 (C3). You can eat and drink normally unless your doctor has advised otherwise.
The Complement 3 (C3) is done on a blood sample.
For a blood-based test, a small blood sample is collected by a trained healthcare professional, usually from a vein in the arm. The collection normally takes only a few minutes; mild temporary discomfort or bruising can occur at the puncture site.
Reports for the Complement 3 (C3) are usually ready within 24 hours of sample collection. You receive them on WhatsApp and email.
The Complement 3 (C3) costs Rs 500 at HWP Diagnostic (MRP Rs 660). Home sample collection is free.
Your report should be read using the reference interval, unit and method shown by the performing laboratory. A result outside a reference interval does not automatically establish a diagnosis, and a result inside the interval does not rule out every health problem. Clinical interpretation depends on symptoms, history and other findings.
If the Complement 3 (C3) is reported as high, low, positive, negative or otherwise outside the laboratory's stated interval, the meaning depends on the specific test and the reason it was ordered. Your clinician may consider repeat testing, related investigations or other clinical information before deciding what the result means.
The Complement 3 (C3) can provide important information, but laboratory results are generally interpreted together with symptoms, medical history, examination and other investigations. A single result should not be treated as a diagnosis without clinical context.
Some medicines, supplements, food, exercise and other pre-test factors can affect particular laboratory results. Tell the healthcare professional about medicines and supplements you take, and do not stop prescribed medicines unless your clinician tells you to.
Yes. Free home sample collection for the Complement 3 (C3) is available across Malad, Kandivali, Borivali and Goregaon in Mumbai. You can also visit our Malad West lab, open 24x7.