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HelpTest Code LAB151 Complement C4
Department
CHEMISTRY
Primary Collection Container
Gold (SST)
Alternate Collection Container
Yellow Microtainer SST
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge within 2 hours of collection, separate and refrigerate.
Stability
Refrigerated: 8 days
Minimum Testing Volume
0.5 mL
Reference Range
15-44 mg/dL
Methodology
Roche c503 Immunoturbidimetric assay
Performed
Sunday – Saturday
CPT Codes
86160
Unacceptable Conditions
Lipemia, hemolysis, or icterus may intefere with testing.
Additional Information
Frozen if testing will be delayed more than 24 hours.