CPT/HCPCS
86160x2
Order Code
CH224
Turnaround Time
72 hours
Test Includes
Complement C3, C4, Serum
Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)
(Specimen Container)
SST (Tiger Top)
Preferred Specimens
Serum
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Separate serum or plasma from cells within 45 minutes of venipuncture. Transport at Room Temperature.
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 48 hours |
| Refrigerated | 8 days |
| Frozen | 30 days |
Test Details
Methodology
Immunoturbidimetric
Clinical Significance
Decreased C3 and C4 levels may be associated with acute glomerulonephritis, membranoproliferative glomerulonephritis, immune complex disease, active systemic lupus erythematosis, cryoglobulinemia, congenital C4 deficiency and generalized autoimmune disease.
Reference Ranges
See individual analytes
