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DNA Labs India

C2 Complement Test

DNA Labs India | ISO 9001:2015 Certified

C2 Complement Test

Also known as: C2 Level Test, Complement C2 Test

C2 Complement Test test available at DNA Labs India for ₹7,850. Uses Radial Immunodiffusion on Serum samples. Results in Reports available after 2-3 weeks. Free home collection in 300+ cities across India.

Blood Test🏠 Home Collection

Overview

To measure C2 protein levels for diagnosing complement deficiencies and autoimmune disorders.

Test Code
231
Price
₹7,850
Sample Type
Serum
Result Time
Reports available after 2-3 weeks
Fasting Required
Yes (12 hours)
Method
Radial Immunodiffusion
Step 1

Sample Collection

Fast for at least 12 hours before the test. Inform your doctor about any medications. Duly filled Test Send Out Consent Form (Form 35) is mandatory.

Method: Venipuncture

Step 2

Laboratory Analysis

A blood sample will be drawn from a vein in your arm by a trained professional.

Step 3

Report Delivery

Apply pressure to the site to stop bleeding. Monitor for signs of infection or bruising.

Timeline: Reports available after 2-3 weeks

Patient Instructions

1
Before the Test:Fast for 12 hours, provide consent form, and inform about medications.
2
During the Test:Blood sample collected via venipuncture.
3
After the Test:Apply pressure, monitor site, and await results in 2-3 weeks.

About This Test

Who Should Get This Test

To measure C2 protein levels for diagnosing complement deficiencies and autoimmune disorders.

How to Prepare

  • Duly filled Test Send Out Consent Form (Form 35) is mandatory
  • Separate serum within 1 hour of collection
  • Ship refrigerated or frozen

Doctor's Notes

"The C2 complement test is crucial for diagnosing immune deficiencies and guiding treatment for autoimmune conditions."

Test Parameters & Specifications

Sample TypeSerum
Sample Volume2 mL (0.5 mL min.)
ContainerSST (Serum Separator Tube)
Collection MethodVenipuncture

Sample Stability

Room Temperature: 6 hours
Refrigerator: 14 days
Frozen: 28 days
Sample Rejection Criteria:
  • Hemolyzed sample
  • Improper storage beyond stability limits
  • Inadequate sample volume
  • Missing consent form

Understanding Your Results

The C2 complement test measures the level of C2 protein in the blood. Low levels may indicate a complement deficiency or autoimmune disorder, while normal levels suggest adequate complement function.
📊

Possible complement deficiency, increased risk of infections and autoimmune disorders

Range: Low

📊

Adequate complement function

Range: Normal

📊

May indicate inflammation or autoimmune activity

Range: High

⚠️ When to Consult a Doctor:

If you experience frequent infections, joint pain, fatigue, skin rashes, or have a family history of complement deficiency, consult a doctor for evaluation.

Limitations

  • May not detect all complement deficiencies
  • Results should be interpreted in clinical context
  • Not a standalone diagnostic for autoimmune disorders

Risks & Considerations

  • Bruising at the collection site
  • Infection risk (minimal)
  • Fainting or dizziness during blood draw

Interfering Factors

  • Certain medications (e.g., immunosuppressants)
  • Recent infections
  • Sample handling or storage issues

Frequently Asked Questions

What is the C2 complement test?
The C2 complement test is a blood test that measures levels of C2 protein, part of the complement system important for immune function.
Why is the C2 complement test important?
It helps diagnose complement deficiencies, which can increase infection risk and are linked to autoimmune disorders like lupus.
What are the symptoms of a C2 complement deficiency?
Symptoms include frequent infections (respiratory, skin, urinary), joint pain, fatigue, and skin rashes.
How is the C2 complement test performed?
It's a simple blood test where a sample is drawn from a vein after fasting for 12 hours.
What is the cost of the C2 complement test?
At DNA Labs India, the cost is INR 7850 with free home collection available across India.
Do I need to fast before the test?
Yes, fasting for at least 12 hours is required before the test.
How long does it take to get results?
Results are typically available within 2-3 weeks after sample collection.
What does a low C2 level mean?
A low C2 level may indicate a complement deficiency, increasing infection risk and associated with autoimmune conditions.
Is the test covered by insurance?
Coverage varies by insurance plan; check with your provider. DNA Labs India offers affordable pricing.
Can the test be done at home?
Yes, DNA Labs India provides free home sample collection for online bookings in many cities across India.
What other tests are related to complement deficiency?
Related tests include C3 and C4 complement tests, total complement test (CH50), ANA test, and CRP test.
How do I prepare for the test?
Fast for 12 hours, fill out the mandatory consent form (Form 35), and inform your doctor about any medications.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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Your medical data is protected under Indian law.

Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.

DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.

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