Ordering Recommendation

Confirm presence of disease; not recommended for initial testing.

Mnemonic
FBRL AB
Methodology

Semi-Quantitative Agglutination/Semi-Quantitative Indirect Fluorescent Antibody/Qualitative Immunoblot

Performed

Mon-Fri

Reported

2-5 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum Separator Tube (SST).

Specimen Preparation

Remove serum from cells ASAP or within 2 hours of collection. Transfer 2.5 mL serum to an ARUP Standard Transport Tube. (Min: 1.5 mL) Parallel testing is preferred and
convalescent specimens must be received within 30 days from receipt of the acute specimens.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Contaminated or heat-inactivated specimens.

Remarks

Mark specimens plainly as acute or convalescent.

Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval
Test Number
Components
Reference Interval
0050135 Brucella Antibody (Total) by Agglutination Less than 1:20 Negative
0050369 Rickettsia rickettsii (Rocky Mountain Spotted Fever) Antibody, IgG
Less than 1:64 Negative - No significant level of IgG antibody detected.
1:64 - 1:128 Low Positive - Presence of IgG antibody detected, suggestive of current or past infection.
1:256 or greater Positive - Presence of IgG antibody suggestive of recent or current infection.

0050372 Rickettsia rickettsii (Rocky Mountain Spotted Fever) Antibody, IgM
Less than 1:64 Negative - No significant level of IgM antibody detected.
1:64 or greater Positive - Presence of IgM antibody detected, which may indicate a current or recent infection; however, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection.

0050381 Rickettsia typhi (Typhus Fever) Antibody, IgG by IFA
Less than 1:64 Negative - No significant level of IgG antibody detected.
1:64-1:128 Equivocal - Questionable presence of IgG antibody detected.  Repeat testing in 10-14 days may be helpful.
1:256 or greater Positive - Presence of IgG antibody detected, suggestive of current or past infection.

0050383 Rickettsia typhi (Typhus Fever) Antibody, IgM by IFA
Less than 1:64 Negative - No significant level of IgM antibody detected.
1:64 or greater Positive - Presence of IgM antibody to detected, which may indicate a current or recent infection; however, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection.

2010798 Salmonella typhi and paratyphi Antibodies Negative

Interpretive Data

Refer to report.

Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

86622; 86757 x4; 86768 x5

Components
Component Test Code* Component Chart Name LOINC
0050135 Brucella Ab (Total) by Agglutination 19053-8
0050369 Rocky Mt Spotted Fever IgG 5307-4
0050372 Rocky Mt Spotted Fever IgM 5308-2
0050381 Typhus Fever Antibody, IgG 5324-9
0050383 Typhus Fever Antibody, IgM 5325-6
2010807 Salmonella paratyphi/typhi Abs Interp 17562-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Brucella Ab (Total) by Agglutination
  • Rocky Mt Spotted Fever IgG
  • Rocky Mt Spotted Fever IgM
  • Salmonella Typhi H Type A
  • Salmonella Typhi H Type B
  • Salmonella Typhi H Type D
  • Salmonella Typhi O Type D
  • Salmonella Typhi O Type VI
  • Typhus Fever Antibody, IgG
  • Typhus Fever Antibody, IgM
Febrile Antibodies Identification Panel