Complement C4

Specimen Requirements

1.0 mL Plasma in a PST Green Top Yellow Ring Tube - Li Heparin

Alternate Specimen

1.0 mL Serum in a SST Gold Top Tube 
or
1.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial 
or
1.0 mL Serum from a Red Top Tube in a Plastic Vial

TransportAndStorage

7 days Refrigerated (preferred)
3 months Frozen - (Store -20°)

6 hours unspun

Collection Instructions

 

Minimum Volume

Neonatal Volumne

Reference Range:

13 - 38 mg/dL

Methodology:

• Immunoturbidimetric

CDM

01487581

CPT Coding

86160