Test ID: C3
CPT code: 86160
LOINC: 4485-9
Specimen Type: SERUM
Frequency: Setup: Mon-Fri; TAT 3-5 days
Instructions: 0.5 mL serum from SST tube. Centrifuge as soon as clotted.
Text: Detect individuals with inborn deficiency of the factor or those with an immunologic disease in which complement is consumed at an increased
rate.
Methodology: Nephelometry