1-5 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:
86000-90
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. Refrigerate.
Stability:
5 days ambient, 14 days refrigerated, or 12 months frozen.
Standard Volume:
1 mL serum.
Minimum Volume:
0.5 mL serum.
Transport:
Refrigerated.
Comments:
Tularemia AB titers >= 1:20 are of diagnostic significance. However, titers in this range may also indicate previous infection. Antibody begins to appear 2-3 weeks into the disease. Based on this antibody production pattern, a second specimen will usually demonstrate a diagnostic four-fold rise in titer for patients with active disease.
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