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This test is a component of ANA Profile 11, ANA Profile 12, ANA 12 Plus Profile, Vasculitis Panel.
5 - 7 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
0.3 mL (Note: This volume does not allow for repeat testing.)
Gel tube or red-top tube
Separate serum from cells within one hour. Transfer to a plastic transport tube before freezing.
Store frozen or refrigerated.
Grossly hemolyzed; bacterial contamination; lipemic, icteric, non-serum specimen types
Measurement of C3 is used to detect individuals with inborn deficiency of this factor or those with immunologic disease in whom complement is consumed at an increased rate. These include lupus erythematosus, chronic active hepatitis, certain chronic infections, post-streptococcal and membranoproliferative glomerulonephritis, and others.
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