Rickettsia IgG Antibody Print

WSLH Department: CDD - Communicable Disease Division
WSLH Test Code: SS02042
Availability: Test is performed weekly
Turn-around Time: 1-8 days
Recommended Uses: Serodiagnosis of an infection with one of these agents. Paired acute and convalescent sera are preferred for diagnostic testing.
Additional Tests Performed:
Patient Preparations: Routine blood draw.
Specimen Requirements: 1-3 ml serum
Specimen Handling & Transport: Store serum specimens at 2-8 degrees C and transport with cool pack.
Collection Kit/Container: Serology Specimens
Sterile Transfer Tube
Collection Instructions: Routine blood draw.
Unacceptable Conditions: Obvious microbial contamination, hemolyzed, or lipemic sera
Requisition Form: CDD Requisition Form B
Required Information: Laboratory regulations require the following minimum information to be provided on the requisition form for a specimen to be accepted for testing: Patient name or unique identifier; date and time of collection, patient date of birth and sex, specimen type/site of collection, test request(s), clinician name and UPIN, and address for reporting results. Please be certain that name/identifier on the form matches that on the specimen label.
Results Include: RMSF Titer and Typhus Titer. Diagnostically Significant Titer: Four-fold titer change with convalescent titer greater than or equal to 1:128; single serum titer of greater than or equal to 1:256.
Limitations: Limitations: Some cross reactivity between Rocky Mountain Spotted Fever and Murine Typhus occurs at lower dilutions.
Additional Tests Recommended: Patients returning from rickettsial endemic areas with antibody reactivity to the Spotted Fever Group rickettsia and/or Typhus Group rickettsia should be tested for Orientia tsutsugamushi (scrub typhus) to rule out the possibility of serological cross-reactivity.
Additional Comments:
Methodology: Indirect Fluorescent Antibody Test (IFA)
Includes: Semi-quantitative total antibody IFA testing for Rocky Mountain Spotted Fever and Murine Typhus.
CPT Code: 86757x2
Price: $58.00
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