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Test Code BLOD1371 Rocky Mountain Spotted Fever (RMSF) IgG Serology


Indirect Immunofluorescence


Useful in the diagnosis of  the tick-borne disease Rocky Mountain Spotted Fever.  


Note: Colorado Tick Fever testing will be automatically performed on all requests for Rocky Mountain Spotted Fever.

Performing Laboratory

Montana State Public Health Laboratory

Specimen Requirements

Specimen Type: Serum

Container/Tube: Red top or gold top
Specimen Volume: 1 mL

Collection Instructions: Paired acute and convalescent specimens recommended.  Send 1 mL serum refrigerated.

Specimen Transport Temperature


Specimen Stability

Specimen Type Temperature Time
Serum Ambient 8 hours
  Refrigerated 1 week


Reference Values

Negative (reported as positive or negative)

Positive results are telephoned to the submitter.

Day(s) Test Set Up

Monday through Friday


Turnaround Time: Routinely batch tested once per week.

Test Classification and CPT Coding