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

Additional Codes



Specimen Required

Supplies: Aliquot Tube, 5 mL (T465)

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.

Secondary ID


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 and 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

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Heat inactivated specimen Reject

Reference Values


Reference values apply to all ages.

Day(s) and Time(s) Performed

Tuesday and Thursday; 2 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved or is exempt by the U.S. 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