ProPath Test Menu


Complement C3 and C4


TEST DIRECTORY
Test Name
Complement C3 and C4
Test Code
C3C4
SPECIMEN REQUIREMENTS
Specimen Requirements
Minimum of 2.0 mL serum
Supplies for Submission
SST/Gold Top (1)
Specimen Collection
  1. Label serum separator tube (SST) with two identifiers. Acceptable identifiers include patient’s name, date of birth, social security number, requisition number, and medical record number.
  2. Allow SST contents to clot in an upright position for at least 30 minutes.
  3. Centrifuge within 2 hours of collection and refrigerate.
Storage Requirements
Refrigerated.
Specimens are stable if stored at room temperature for 2 days, refrigerated for 8 days, or frozen for 3 months.
Causes for Rejections
Specimens with the following conditions are not accepted:
  • hemolysis, moderate or greater
    GENERAL AND TECHNICAL INFORMATION
    Turn Around Time
    8 days
    CPT Code
    86160x2