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Test Code TULAB Francisella tularensis Antibody, IgM and IgG, ELISA, Serum

Specimen Required

Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.6 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.

Useful For

Aiding in the diagnosis of tularemia caused by Francisella tularensis


This test should not be used as a test of cure as it is not quantitative. Patients may remain seropositive for months to years following resolution of disease.

Profile Information

Test ID Reporting Name Available Separately Always Performed
TULM F. tularensis Ab, IgM ELISA, S No Yes
TULG F. tularensis Ab, IgG ELISA, S No Yes
TULI F. tularensis Interpretation No Yes

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

F. tularensis Ab, IgM/IgG ELISA, S

Specimen Type


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  30 days

Reference Values


Reference values apply to all ages.

Day(s) Performed

Tuesday, Thursday

Report Available

Same day/1 to 7 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86668 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
TULAB F. tularensis Ab, IgM/IgG ELISA, S 93715-1


Result ID Test Result Name Result LOINC Value
TULM F. tularensis Ab, IgM ELISA, S 93716-9
TULG F. tularensis Ab, IgG ELISA, S 93717-7
TULI F. tularensis Interpretation 93718-5


If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.