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Complement – Total (CH50), Serum

Test Code: LAB154

Test Code

LAB154

Test Name

Complement – Total (CH50), Serum

Specimen Type

Container Type = 1 Red Top or Gold Top Minimum Testing Volume = 0.5mL serum Tubes must fill to at least ½ or greater of its vacuum capacity

Container

1 Red Top or Gold Top

Handling

Collection Instructions: Collect sample in red or gold top tube. Ensure to provide date and time of collection. . Laboratory Staff Instructions: Allow filled tube to clot at 22 – 37°C for 30-60 minutes. Centrifuge at room temperature and separate into a labelled aliquot tube. Store and send frozen to St Joseph’s Health Centre. Store at -80°C until testing. Rejection Criteria: Unlabeled or samples of none sufficient quantity. plasma, lipemic and grossly hemolyzed specimens are not suitable for analysis. Avoid freeze/thaw cycles. Stability: Stable at least 30 days when stored at -80°C. Thaw samples only once. Transportation: Send sample to core lab as soon as possible.

Stability

Stable at least 30 days when stored at -80°C. Thaw samples only once.

Reference Range

>=42 U/mL

Performing Lab

SJHC Biochemistry Lab

Turnaround Time

14 days

Test Notes

Last Updated: March 25, 2026  

Status

active

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Specimen requirements vary by test; please refer to each test’s guidelines for accurate preparation instructions.

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