Lymphocytic Choriomeningitis (LCM) Virus Antibodies, IgG & IgM, CSF

2001628
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Example Reports
Negative
Positive

Ordering Recommendation

Aid in the diagnosis of lymphocytic choriomeningitis (LCM) viral infection in CNS.

Mnemonic

LCM CSF

Methodology

Semi-Quantitative Indirect Fluorescent Antibody

Performed

Tue, Fri

Reported

1-5 days

New York DOH Approval Status

Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.

Specimen Required

Patient Preparation
Collect

CSF.

Specimen Preparation

Transfer 1 mL CSF to an ARUP Standard Transport Tube. (Min 0.2 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Contaminated, hemolyzed, or heat-inactivated specimens.

Remarks
Stability

Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval

Test Number
 Components
 Reference Interval
  LCM Virus Ab, IgG, CSF Less than 1:1
  LCM Virus Ab, IgM, CSF Less than 1:1

Interpretive Data

The best evidence for current infection is a significant change on two appropriately timed specimens, where both tests are done in the same laboratory at the same time.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.


Component
Interpretation
Lymphocytic Choriomeningitis (LCM) Virus Antibody, IgG, CSF < 1:1 Negative - No significant level of LCM virus IgG antibody detected.
≥1:1 Positive - Presence of IgG antibody to LCM virus detected, suggestive of current or past infection.
Lymphocytic Choriomeningitis (LCM) Virus Antibody, IgM, CSF < 1:1 Negative - No significant level of LCM virus IgM antibody detected.
≥1:1 Positive - Presence of IgM antibody to LCM virus detected, suggestive of current or past infection.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

86727 x2

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Components

Component Test Code* Component Chart Name LOINC
2001631 LCM Virus Ab, IgG, CSF 9766-7
2001632 LCM Virus Ab, IgM, CSF 9768-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • LCM Antibodies, CSF
Lymphocytic Choriomeningitis (LCM) Virus Antibodies, IgG & IgM, CSF