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Complement C3

General information

Specimen transport: At room temperature

Repeat frequency: At significant change of clinical symptoms, monitoring of treatment.

Special precautions: None

Laboratory information

Normal reference range: 0.9-1.8 g/L

Volume and sample type: 7ml clotted blood

Method: Nephelometry

Turnaround time (calendar days from sample receipt to authorised result): Median - 1

Clinical information

Indications for the test: Monitoring of SLE. Post streptococcal glomerulonephritis and other conditions of complement activation

Factors affecting the test: Traumatic venepuncture or delay in transport may lead to falsely low levels.


ICE reference: C3


(Last updated August 22nd 2018)