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Recommendations when to order or not order the test. May include related or preferred tests.
Aid in the diagnosis of lymphocytic choriomeningitis (LCM) viral infection in CNS.
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
This test is not New York state approved. There are no New York state-approved laboratories available. Submit a Non-Permitted Laboratory Request Form (NPL) to the NYDOH prior to collection of specimen. If NPL is approved by NYDOH, and sample is received at ARUP, testing will be performed.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
CSF.
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Transfer 1 mL CSF to an ARUP Standard Transport Tube. (Min 0.2 mL)
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Contaminated, hemolyzed, or heat-inactivated specimens.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
1-5 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
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
May include disease information, patient result explanation, recommendations, or details of testing.
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.
< 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.
< 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
Additional information related to the test.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* 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.
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