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Complement C4, Serum

CPT/HCPCS 86160
Order Code CH606
Turnaround Time 72 hours
Test Includes

Complement C4, Serum

Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)

SST (Tiger Top)

Preferred Specimens
Serum
Minimum Volume (uL)
0.5 mL
Collection Instructions
(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)