Ordering Recommendation
Aid in the diagnosis of lymphocytic choriomeningitis (LCM) viral infection in CNS.
Mnemonic
Methodology
Semi-Quantitative Indirect Fluorescent Antibody
Performed
Tue, Fri
Reported
1-5 days
New York DOH Approval Status
Specimen Required
CSF.
Transfer 1 mL CSF to an ARUP Standard Transport Tube. (Min 0.2 mL)
Refrigerated.
Contaminated, hemolyzed, or heat-inactivated specimens.
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. |
Laboratory Developed Test (LDT)
Note
Hotline History
CPT Codes
86727 x2
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2001631 | LCM Virus Ab, IgG, CSF | 9766-7 |
2001632 | LCM Virus Ab, IgM, CSF | 9768-3 |
Aliases
- LCM Antibodies, CSF