Francisella tularensis Antibodies IgG and IgM with Reflex to Agglutination - Cancel and reorder as ARMISC - LG743


Sunquest Code:TULAB  
Epic Code:LAB5965Epic Name:Francisella Tularensis Aby
Order Instructions:Cancel and reorder as ARMISC.
Synonyms:Tularemia
Methodology:Enzyme-linked immunoasorbent assay
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-6 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.4 mL
Container:Red or gold (gel)
Causes for Rejection:Contaminated, heat-inactivated or turbid specimens


Processing and Shipping

Specimen Processing:Centrifuge within 2 hours of collection and aliquot 1 mL, 0.6 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 48 hours at room temperature; 2 weeks refrigerated; 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:3002912


Interpretive

Reference Range:
      Francisella tularnensis, Antibody, IgG with Reflex to Agglutination:  
9 U/mL or less Negative - No significant level of IgG antibody
to Francisella tularensis detected.
10-15 U/mL Equivocal - Questionable presence of IgG antibody
to Francisella tularensis. Repeat testing in 10-14
days may be helpful.
16 U/mL or greater Positive - Presence of IgG antibody to Francisella
tularensis detected, suggestive of current or past
exposure/immunization.

Francisella tularensis, Antibody, IgM with Reflex to Agglutination:
9 U/mL or less Negative - No significant level of IgM antibody
to Francisella tularensis detected
10-15 U/mL Equivocal - Questionable presence of IgM antibody
to Francisella tularensis. Repeat testing in 10-14
days may be helpful.
16 U/mL or greater Positive - Presence of IgM antibody to Francisella
tularensis detected, suggestive of current or past
exposure/immunization.

If the ELISA testing is equivocal or positive for IgG or IgM, then Francisella tularensis Antibodies by Agglutination will be added. Additional charges apply.

Cross reactivity with Brucella and Yersinia antibodies may occur. Therefore, results should be interpreted with caution and correlated with clinical information. The best evidence for current infection is a significant change on two appropriately timed specimens, where both tests are performed in the same laboratory at the same time.


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