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Rocky Mountain Spotted Fever (Rickettsia rickettsii) IgG Antibody

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Test Description
  • Contact: Serology (319) 335-4291
  • Test Request Form: Serology/Immunology
  • SHL OpenELIS Code: 664
Detection of IgG antibodies against organisms of the appropriate Rickettsial antigen group
Performed Avg. Turnaround Time Method
Coralville, 8 a.m. - 5 p.m., M-F
5 - 7 business days Indirect Immunofluorescent Assay (IFA)
Fee CPT Code(s)
$13.62 86757
Specimen Requirements
Specimen Type: Minimum 1 mL Serum
Collection Instructions: Allow blood samples to clot at room temperature prior to centrifugation. Aseptically transfer serum to a tightly closing sterile container for storage.

Red Top Tube: centrifuge and transfer serum to a secondary tube
    Serum Separator Tube: collect 4 - 6 mL and centrifuge
      Shipping:
      Specimens should be stored and shipped under the same conditions. Wrap specimen container in absorbent material and place inside a biohazard bag. Transport specimen with cold pack. Ship to the Coralville location.
      Temperature and Stability: Refrigerate (2-8 degrees C); stable for up to 5 days. Freeze (-20 degrees C); stable for more than 5 days.
      Rejection Criteria: Specimens will be rejected if received under these conditions:

      Plasma, CSF. Grossly hemolyzed or lipemic samples as well as samples containing particulate matter or exhibiting obvious microbial contamination should not be tested. Specimens not received in the correct temperature ranges stated under "Temperature and Stability" will be rejected.
      Expected Results:
      Titer of Rocky Mountain Spotted Fever IgG Antibody, Indeterminate
      Comments
      The best evidence for current infection is a significant change on two appropriately timed specimens (acute and convalescent), where both tests are done in the same laboratory at the same time.
      Alternate Names
      RMSF, Rickettsia ricketsii
      The University of Iowa

      State Hygienic Laboratory

      General inquires
      SHL Client Services
      319-335-4500 or 1-800-421-IOWA (4692)
      ask-shl@uiowa.edu

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