francisella

Francisella tularemia Antibodies

Laboratory Fee Schedule

Procedure: MZZ0336A

CPT: 86668


Francisella, IgG
Synonym(s): Microagglutination Assay for Detecting Antibodies to Francisella tularensis Cell Surface Antigen
Requisition Form G-2A
Test Description The detection and quantitation of F. tularensis antibodies by microagglutination.
Pre-Approval Needed N/A
Supplemental Information Required N/A
Supplemental Form(s) N/A
Performed on Specimens from (sources) Human
Sample/Specimen Type for Testing Serum
Minimum Volume/Size Required 100
Storage/Preservation Prior to Shipping
  • Specimens should be frozen at -15°C or colder on the day of receipt unless they will be tested the following day. 
  • Specimens may be stored at 2°C to 8°C when testing will occur within two days. 
  • Avoid repeated freezing and thawing.
Transport Medium N/A
Specimen Labeling At least 2 patient specific identifiers: First and last name as one identifier and a DOB or a unique patient specific identifier (e.g. Medical Record number); must match information on submission form (G-2A).
Shipping and Specimen Handling Requirements
  • Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number)
  • Identifiers on specimen must exactly match submission form.
    Additional forms & resources
Method Microagglutination test
Turn-around Time 7 days
Interferences/Limitations In some cases cross reaction may be evident with Brucella spp. and Legionella spp. antigens
Causes for Rejection
  • insufficient quantity
  • unacceptable specimen type or source
  • improper shipping conditions
  • expired media or collection container
  • discrepancies between specimen label and submission form
  • incomplete or missing submission form.
Additional Information This test does not differentiate between early IgM and late IgG antibody response.  Acute and/or convalescent sera/plasma must be heat inactivated for 30 minutes at 56 +/- 2°C before testing.

Last updated May 24, 2021