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

Useful For

The diagnosis of the tick-borne disease Rocky Mountain Spotted Fever


Indirect Immunofluorescence

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.

Additional Information

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

Day(s) Test Set Up

Monday through Friday


Turnaround Time: Routinely batch tested once per week.

Test Classification and CPT Coding