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Complement C3 - Blood

Source Blood 
Mnemonic C3 
Specimen Requirements

1 x 5 mL light green (mint) top PST tube.  Gold top SST tube is also acceptable. 

0.5 mL heparinized plasma or serum

Minimum Blood Volume for Patients less than 45 kg (100 lb) Including Neonates and Pediatrics

 
Specimen Handling  
Additional Information C3 can also be performed on fluids (test mnemonic CMISC). Not available on CSF unless approved by a pathologist. 
Testing Location Chemistry-DSC 
Testing Frequency Weekdays 
Alternate Name(s)  
Reference Interval 0.6 - 1.6 g/L 


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