Complement Component C3c

Test Code
C3S(351)

Quest Code
351

CPT Codes
86160

Preferred Specimen
1 mL serum

Minimum Volume
0.5 mL

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: Unacceptable
Refrigerated: 4 days
Frozen: 21 days

Methodology
Immunoturbidimetric

Setup Schedule
Set up: Tue-Sat; 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
27027 Tourney Road
Valencia, CA 91355-5386




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.