Complement 4 Deficiency
C4 (C) | FB (A) | C3 | CH50 | Conditions |
---|---|---|---|---|
· | ↓ | ↓ | ↓ | PSG, C3 NeF AA |
↓ | · | ↓ | · | HAE, C4D |
· | · | · | ↓ | TCPD |
↓ | · /↓ | ↓ | ↓ | SLE |
↑ | ↑ | ↑ | ↑ | inflammation |
Complement 4 deficiency is a genetic condition affecting complement component 4.
It can present with lupus-like symptoms.