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Alias Names: STD
Methodology: Complement Fixation (CF)
Edit Date: 2/8/2010
Performed: Daily
Released: 7-10 days after setup at PeaceHealth Laboratories’ reference lab
CPT Code: 86631-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and separate serum into a plastic vial. Refrigerate.
Standard Volume: 1 mL serum
Minimum Volume: 200 µL serum
Transport: Refrigerated.
Comments: The complement fixation assay for chlamydial infection is a genus-specific test for antibodies recognizing antigenic determinants common to all chlamydiae. Although useful in the diagnosis of lymphogranuloma venereum (LGV) and psittacosis, this assay is unsatisfactory for the diagnosis of chlamydial trachoma or pneumonia. In LGV and psittacosis, titers may not be increased in convalescent versus acute sera, since most patients have been infected for several weeks before the acute specimen is collected.

PeaceHealth Laboratories