Complement C4a LabCorp

Abdominal pain: Low or high C4a levels can indicate inflammation or immune complex deposition, potentially contributing to abdominal pain.
Fever: Complement activation, reflected by C4a levels, is part of the inflammatory response that can cause fever.
Joint pain: Immune complex deposition and inflammation involving the complement system can lead to joint pain.
Kidney problems: Complement activation can cause kidney inflammation and damage, which this test can help investigate.
Rash: Certain immune conditions involving complement activation can cause skin rashes.
Swelling: Inflammation and immune responses involving complement activation can cause swelling in various body parts.

Details

This test measures the level of C4a, a protein fragment produced when the complement system, part of your immune system, is activated. It helps assess immune system activity and can be used to monitor certain autoimmune diseases or inflammatory conditions. High levels may indicate increased immune activity or inflammation in the body.

Product Instructions & Info

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Why To Buy	Testing your Complement C4a levels can help identify potential causes of your symptoms by checking for immune system activation, which is often involved in conditions causing these issues. Finding the cause(s) of: Abdominal pain: Low or high C4a levels can indicate inflammation or immune complex deposition, potentially contributing to abdominal pain. Fever: Complement activation, reflected by C4a levels, is part of the inflammatory response that can cause fever. Joint pain: Immune complex deposition and inflammation involving the complement system can lead to joint pain. Kidney problems: Complement activation can cause kidney inflammation and damage, which this test can help investigate. Rash: Certain immune conditions involving complement activation can cause skin rashes. Swelling: Inflammation and immune responses involving complement activation can cause swelling in various body parts.
Symptoms	Abdominal pain, Fever, Joint pain, Kidney problems, Rash, Swelling