Test Overview
Test Methodology

Complement Fixation

Test Usage

Establish the presence of antibodies to Listeria monocytogenes

Reference Range *

<1:8. Single titers >=1:8 are suggestive of listeria infection. A four-fold or greater increase in titer between acute and convalescent specimens confirms the diagnosis.

Test Details
Days Set Up
Monday - Friday
Analytic Time

2 - 5 days

Soft Order Code
MMLR
Synonyms
  • Listeria monocytogenes
Laboratory
Sendout
Reference Laboratory
Mayo FLIST (90048) (Focus 10022)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. Indicate whether sample is acute or convalescent. It is recommended that both acute and convalescent sera (taken 10-14 days after the acute serum sample) be sent.

Red Top Tube
Normal Volume
1 ml serum
Minimum Volume
0.2 ml serum
Additional Information

Test is sent to Mayo Medical Laboratories; performed by Focus Diagnostics.

Billing
CPT Code
86609
Fee Code
20286
NY State Approved
No