Ordering Recommendation

Preferred test for the detection of antibodies during the acute or convalescent phase. Convalescent sera may be required for diagnosis.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube (SST) or plain red/red top

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP standard transport tube. (Min: 0.6 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Contaminated, heat-inactivated, or turbid specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month

Methodology

Qualitative Enzyme-Linked Immunosorbent Assay (ELISA)

Performed

Mon, Wed, Fri

Reported

1-6 days

Reference Interval

Test Number
Components
Reference Interval
  F tularensis Antibody, IgG Negative
  F tularensis Antibody, IgM Negative
  F. tularensis Antibody Interpretation Negative

Interpretive Data

Cross-reactivity with Brucella and Yersinia antibodies may occur. False-positive results are possible, therefore results should be interpreted with caution and correlated with clinical information. Confirmation by another method, such as agglutination may be helpful.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

86668 x2

Components

Component Test Code* Component Chart Name LOINC
3018848 F. tularensis Antibody Interpretation 93718-5
3018859 F tularensis Antibody, IgM 93716-9
3018860 F tularensis Antibody, IgG 93717-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • F. tularensis IgG, IgM
  • Febrile Antigens
  • Francisella Antibodies
  • Francisella Tularensis Ab
Francisella tularensis Antibodies, IgG and IgM