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Febrile Agglutinins

Typhi, Typhus, Typhoid

Test Codes

EPIC: LAB6020, Beaker: XFBAG, ARUP: 2010805

Department

Send Outs

Instructions

• This assay includes the following: Brucella Antibody, Rickettsia rickettsii Antibodies, Rickettsia typhi Antibodies, and Salmonella typhi Antibodies.
• Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute samples. Please mark sample plainly as "acute" or "convalescent."

Specimen Collection Criteria

Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 2.5 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 1.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Transport: 2.5 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 1.5 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT.

Performed

Monday – Friday.
Results available in 3-6 days.

Reference Range

By report.

Test Methodology

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

Clinical Utility

This assay is a screening test to identify agglutinins in sera of patients suspected of having infectious diseases characterized by persistent fever.

CPT Codes

86622, 86757 x 4, 86768 x 5.
LOINC:  Typhus IgG 5324-9, Typhus IgM 5325-6

Contacts

Last Updated

10/3/2023