CPT/HCPCS
86160
Order Code
CH606
Turnaround Time
72 hours
Test Includes
Complement C4, Serum
Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)
(Specimen Container)
SST (Tiger Top)
Preferred Specimens
Serum
Minimum Volume (uL)
0.5 mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Refrigerated
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | Unacceptable |
| Refrigerated | 4 days |
| Frozen | 21 days |
Test Details
Methodology
Immunoturbidimetric
Clinical Significance
Complement Component C4c – Decreased C4 level is associated with acute systemic lupus erythematosis, glomerulonephritis, immune complex disease, cryoglobulinemia, congenital C4 deficiency and generalized autoimmune disease.
Reference Ranges
Male:
Not established (<1 Year)
14-44 mg/dL (1-14 Years)
15-53 mg/dL (15-80 Years)
Not established (≥81 Years)
Female:
Not established (<1 Year)
13-46 mg/dL (1-14 Years)
15-57 mg/dL (15-80 Years)
Not established (≥81 Years)
