LCM Virus IgG and IgM Antibodies, Serum (Sendout)

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General Information

Lab Name
Lab Code
645
External Test Id
34345
Description

Ordering Recommendation: Aid in the diagnosis of lymphocytic choriomeningitis (LCM) viral infection.

    Clinical Significance: Lymphocytic Choriomeningitis (LCM) Virus Antibody, IFA, Serum - Antibody to LCM is often detectable within a few days of clinical symptoms. An elevated IgM titer provides a rapid diagnosis of recent or current infection. A four-fold rise in IgG titer between acute and convalescent specimens is also considered diagnostic of recent infection.

    Synonyms
    34345, LCM, Lymphocytic Choriomeningitis Virus, VSLCM
    Components

    Interpretation

    Method

    Immunoassay (IA)

    Reference Range
    Ref. Range Notes

    Reference Ranges:

    LCM Virus Ab, IgG: <1:16
    LCM Virus Ab, IgM: <1:20

    Ordering & Collection

    Specimen Type
    Blood
    Collection

    Collect 3 mL blood in RED TOP tube or GOLD SST

    Handling Instructions

    Outside Laboratories: Centrifuge sample and transfer serum to a separate plastic vial within 2 hours of collection. Refrigerate serum while awaiting shipment. Transport with a cold pack.

    Stability: Refrigerated: 14 days; Frozen: 30 days; Ambient: 7 days.

    Reject Criteria: Gross hemolysis, grossly lipemic, grossly icteric.

    Quantity
    Requested: 1 mL serum
    Minimum: 0.2 mL serum

    Processing

    Receiving Instructions

    Centrifuge sample and transfer serum to a separate plastic vial within 2 hours of collection. Refrigerate serum.

    Sendouts:

    • Order Quest SJC Test: 34345
    • Print the requisition generated from QuestQuanum and package it with the sample for courier pickup.

    Stability: Refrigerated: 14 days; Frozen: 30 days; Ambient: 7 days.

    Reject Criteria: Gross hemolysis, grossly lipemic, grossly icteric.

    Misc Sendout

    Performance

    Lab Department
    Frequency
    Performed: Monday, Wednesday through Saturday. Reported: 1-3 days from sample receipt at Quest Diagnostics Lab.
    Available STAT?
    No
    Performing Location(s)
    Sendout Quest Diagnostics Nichols Institute
    800-642-4657

    33608 Ortega Highway
    San Juan Capistrano, CA 92675

    Billing & Coding

    Billing Comments

    CPT: 86727x2