Test Details
Mnemonic
BARGM
Ordering Code
3704920
CPT-4 Code(s)
86611 x 2
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Minimum Volume
0.4 mL
Transport Temperature
Refrigerated
Rejection Criteria
Contaminated, hemolyzed or severely lipemic specimens.
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Semi-quantitative Indirect Fluorescent Antibody
Reference Range
IgG:
<1:64 Negative - No significant level of
Bartonella quintana IgG antibody detected.
1:64-1:128 Equivocal - questionable presence
of Bartonella quintana IgG antibody detected.
Repeat testing in 10-14 days may be helpful.
≥1:256 Positive - Presence of IgG
antibody to Bartonella quintana
detected suggestive of current or past infection.
IgM:
<1:16 Negative - No significant level
of Bartonella quintana IgM
antibody detected.
≥1:16 Positive - Presence of IgM
antibody to Bartonella quintana
detected, suggestive of current
or recent infection.
<1:64 Negative - No significant level of
Bartonella quintana IgG antibody detected.
1:64-1:128 Equivocal - questionable presence
of Bartonella quintana IgG antibody detected.
Repeat testing in 10-14 days may be helpful.
≥1:256 Positive - Presence of IgG
antibody to Bartonella quintana
detected suggestive of current or past infection.
IgM:
<1:16 Negative - No significant level
of Bartonella quintana IgM
antibody detected.
≥1:16 Positive - Presence of IgM
antibody to Bartonella quintana
detected, suggestive of current
or recent infection.
Performing Laboratory
ARUP
New York DOH Approval Status
Yes