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Test Code SFGP Spotted Fever Group Antibody, IgG and IgM, Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial.


Children's Mercy Hospital Note:

CMH COLLECTION: 2 mL in red gel vacutainer

Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Testing Algorithm

For more information see Acute Tick-Borne Disease Testing Algorithm.

Useful For

Aiding in the diagnosis of spotted fever group rickettsial infections

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 3 days

Reporting Name

Spotted Fever Group Ab, IgG, IgM, S

Reference Values

IgG: <1:64

IgM: <1:64

Reference values apply to all ages.

Method Name

Immunofluorescence

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86757 x 2