Complement Component C3c

Test Code

351

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: Unacceptable
Refrigerated: 4 days
Frozen: 8 days

Methodology
Immunoturbidimetric

Setup Schedule

Set up: Sun-Fri; Report available: 1-3 days

Reference Range

	Male	Female
<1 Year	Not established	Not established
1-14 Years	80-170 mg/dL	82-173 mg/dL
15-80 Years	82-185 mg/dL	83-193 mg/dL
≥81 Years	Not established	Not established

Clinical Significance

Decreased C3 may be associated with acute glomerulonephritis, membranoproliferative glomerulonephritis, immune complex disease, active systemic lupus erythematosis, and generalized autoimmune processes.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.