c3 and c4 blood test

Complement component 3  more popularly called just C3 is a protein of the immune system. C3 plays a vital role in the activation of the complement system and back the innate immunity. People suffering from C3 deficiency are more prone to bacterial infection.

Complement component 4 popularly called C4 is also a protein that is significantly involved in the intricate complement system. It originates from human leukocyte antigen (HLA) system. C4 performs many crucial functions in the immunity, tolerance and autoimmunity. C4 is also a significant factor in the connection of the recognition pathways of the overall system prompted by the antibody – antigen complexes to the other effector proteins of the innate immune response. 

C3 & C4 Blood Test measures the levels of Complement component 3 and Complement component 4 in the blood. The complement system comprises of more than 30 proteins in the blood, that play a significant role in the body’s immune system. Assessing the volume of one or more complements can help in ascertaining of any abnormality in the complement system that can result in varied health problems. Of all the complements, C3 and C4 are the ones that are mostly tested.

Low complement levels can expose a person to the risk of infections and autoimmune disorders. Low complement levels are also with several health conditions like;

• Increased bacterial infections
• Rheumatoid Arthritis
• Cirrhosis
• Hepatitis
• Kidney disease
• Malnutrition and 
• Septicemia
• High Complement levels are associated with cancer, ulcerative colitis or thyroiditis.

The C3 and C4 blood test is advised if a person is experiencing the following symptoms;

• Extreme Fatigue
• Muscle Pain
• Joint Pain
• Unintended weight loss
• Muscle Weakness
• Muscle Paralysis

The C3 and C4 blood test procedure involves a small sample of the patient’s blood drawn out with the help of an injection.

Preparation for C3 and C4 blood test 

No specific preparation is required for C3 and C4 test, although you do need to inform your doctor about the medication or supplements you are taking prior to undergoing the test.

The C3 normal range in males is 88 – 252 mg/dL and the C3 normal range in women is 88 – 206 mg/dl.

C4 normal range is between 16 to 48 milligrams per decilitre or 0.16 to 0.48 grams per litre. These levels change significantly with age.

C3 and C4 blood test side effects are pretty safe to administer and like any other blood tests, side effects if any are very minor one and usually subside within a day. Some of the side effects of C3 and C4 blood test are as follows;

• Soreness and  swelling at the puncture site
• Slight dizziness
• Excessive bleeding

C3 and C4 blood test are of one those lab tests that can be easily done at home as it only involves simple blood samples to be collected from the veins of a person by means of an injection. We offer fully certified C3 and C4 blood test conducted by highly trained lab technicians, so you can trust us with your C3 and C4 blood test need and experience truly world class at home healthcare service at home. 

Once you connect with us our representative phlebotomist would come to your home at a time and day of your choosing and collect the blood sample while you sit back and relax. We also deliver the C3 and C4 blood test results online for your convenience.