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Complement C3 - Blood

Source Blood
Mnemonic C3
Specimen Requirements

1 x 3 mL light green (mint) top PST tube.  Gold top SST tube also acceptable. 

0.5 mL heparinized plasma or serum

Minimum Whole Blood Volumes for Micro-Collections using Microtainers

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