1-8 days after setup at PeaceHealth Laboratories’ reference lab; next run if titered.
CPT Code:
86611-90 x2
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 immediately. Label specimen clearly as ”acute” or ”convalescent.” Avoid repeated freeze/thaw cycles.
Stability:
Specimen stable 48 hours ambient, 14 days refrigerated, or 1 year frozen.
Standard Volume:
1 mL serum.
Minimum Volume:
150 µL serum.
Transport:
Refrigerated.
Comments:
Parallel testing is preferred and convalescent specimen MUST be received within 30 days from receipt of the acute specimen.
Rejection Criteria:
Plasma; severely lipemic, contaminated or hemolyzed specimen.
Bartonella quintana Antibody, IgG
<1_64 Negative
1:64-1:128 Equivocal
>=1:256 Positive
No significant level of Bartonella quintana IgG antibody detected.
Questionable presence of Bartonella quintana IgG antibody detected. Repeat testing in 10-14 days may be helpful.
Presence of IgG antibody to Bartonella quintana detected, suggestive of current or past infection.
Bartonella quintana Antibody, IgM
<1_16 Negative
>=1:16 Positive
No significant level of Bartonella quintana IgM antibody detected.
Presence of IgM antibody to Bartonella quintana detected, suggestive of recent infection.
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