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Test Code C4 Complement C4

Additional Codes

PathLab C4
Epic ID LAB151

 

Specimen Requirements

Preferred Collection Container: 

SST (Serum Separator)
Light Green (Lithium Heparin Plasma Separator Tube)

 

Also Acceptable Collection Container: 

Red (No Additive)
Green No Gel (Lithium Heparin)

 

Collection Information: 

Collect blood in a serum separator or heparin plasma separator tube.

 

Transport Information: 

Centrifuge and aliquot 1.0 mL of serum or plasma into a plastic transport vial. Send frozen.

 

Minimum Sample Volume: 

0.3 mL of serum or plasma 

 

Stability Comments: 

Remove serum from cells ASAP and freeze.

Stability/Transport

Temperature Stability Preferred Transport
Refrigerated 2 day  
Frozen 7 days X
Room Temp 2 days  

 

Unacceptable Conditions

Specimens collected in EDTA tubes

Performing Lab

Pathology Laboratory

Methodology

Turbidometric

Day(s) Performed

Daily

Report Available

1 day

CPT Code Information

86160