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Lymphocytic Choriomeningitis (LCM) Virus Antibody, IgM
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Ordering Recommendation
Not recommended as a stand-alone test for identifying lymphocytic choriomeningitis (LCM) virus as pathology for meningitis. Lymphocytic Choriomeningitis (LCM) Virus Antibodies, IgG & IgM (2001635) is preferred.
Mnemonic
Methodology
Semi-Quantitative Indirect Fluorescent Antibody
Performed
Tue, Fri
Reported
1-5 days
New York DOH Approval Status
Specimen Required
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min 0.2 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."
Refrigerated.
Contaminated, hemolyzed, or severely lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval
< 1:10 Negative - No significant level of LCM virus IgM antibody detected.
≥ 1:10 Positive - Presence of IgM antibody to LCM virus detected, suggestive of current or past infection.
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.
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
86727
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 2001637 | LCM Virus Ab, IgM | 9767-5 |
Aliases
- LCM IgM Antibody, Serum
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