97172:LISTERIA ANTIBODY, CF

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97172:LISTERIA ANTIBODY, CF
Methodology: Complement Fixation (CF)
Edit Date: 3/2/2007 4:29:09 PM
Performed: Sunday-Thursday
Released: 2-5 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 86723-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial.
Stability: 72 hours ambient, 14 days refrigerated, or 12 months frozen.
Standard Volume: 1 mL serum.
Minimum Volume: 0.5 mL serum.
Transport: Refrigerated.
Comments: Single titers >= 1:8 are suggestive of listeria infection. A four-fold or greater increase in titer between acute and convalescent specimens confirms the diagnosis.