Complement 4 deficiency

Complement 4 deficiency
Complement 4 deficiency
Specialty	Immunology

Complement 4 deficiency is a genetic condition affecting complement component 4.^[1]

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More information C4 (C), FB (A) ...

Complement tests
C4 (C)	FB (A)	C3	CH50	Conditions
·	↓	↓	↓	PSG, C3 NeF AA
↓	·	↓	·	HAE, C4D
·	·	·	↓	TCPD
↓	·/↓	↓	↓	SLE
↑	↑	↑	↑	inflammation

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It can present with lupus-like symptoms.^[2]

References