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Complement C4, AG
MessageChemistry
Test Code
LAB151
Alias/See Also
Complement, C4
CPT Codes
86160
Includes
Complement C4
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 600 uL ( one full light-green-top microtainer or two full red-top microtainers).
Serum/plasma: 300 uL plasma.
Serum/plasma: 300 uL plasma.
Other Acceptable Specimens
Red Top and Light green top (lithium heparin plasma) acceptable
Instructions
LAB: Specimen must NOT remain at Ambient: longer than 24 hours. Centrifuge, aliquot 1 mL serum, and refrigerate if testing cannot be performed immediately.
Specimen Stability
Ambient: up to 1 day.
Refrigerated: 7 days.
Frozen: 4 weeks.
Refrigerated: 7 days.
Frozen: 4 weeks.
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Reference Range
14-44 mg/dL
Performing Laboratory
Hoag Newport