Lymphocytic Choriomeningitis – Serology

Specimen Collection and Handling

Specimen Requirements

Test Requested Required Requisition(s) Specimen Type Minimum Volume Collection Kit

Lymphocytic Choriomeningitis Virus, LCM

Blood or serum

5.0 ml blood or 1.0 ml serum

Blood, clotted - vacutainer tubes (SST)

Submission and Collection Notes


Complete the following on the General Test Requisition form:

  • relevant travel history
  • onset date 
  • symptoms

Instructions for using SST tubes are found in the document titled: LAB-SD-008, Blood Collection using Serum Separator Tubes.


Haemolysed, icteric, lipemic or microbially contaminated sera or plasma are not recommended for testing.

Preparation Prior to Transport

Label the specimen container with the patient’s full name, date of collection and one other unique identifier such as the patient’s date of birth or Health Card Number. Failure to provide this information may result in rejection or testing delay.

Special Instructions

Place specimen in a biohazard bag and seal. Specimens should be stored at 2-8 ◦C following collection and shipped to the lab on ice packs.

Requisitions and Kit Ordering

Test Frequency and Turnaround Time (TAT)

LCM testing is referred to the Public Health Agency of Canada- National Microbiology Laboratory in Winnipeg.

Turnaround time is up to 28 days from receipt by PHO laboratory.


Results are reported to the ordering physician or health care provider as indicated on the requisition.

Test Methods

This test is a Referred Out Test. Samples are sent to the Public Health Agency of Canada – National Microbiology Laboratory in Winnipeg.

Lymphocytic choriomeningitis test is performed using an Enzyme Linked Immunosorbent Assay (ELISA) to detect IgG antibodies to Lymphocytic choriomeningitis Virus.

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Updated 20 July 2020