Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Not recommended as a stand-alone test. Panel that includes lymphocytic choriomeningitis (LCM) virus IgG and IgM antibodies is preferred; refer to Lymphocytic Choriomeningitis (LCM) Virus Antibodies, IgG & IgM, CSF (2001628).
MnemonicUnique test identifier.
LCM G CSF
MethodologyProcess(es) used to perform the test.
Semi-Quantitative Indirect Fluorescent Antibody
PerformedDays of the week the test is performed.
Tue, Fri
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
1-5 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
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 0.75 mL CSF to an ARUP Standard Transport Tube. (Min 0.2 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Contaminated, heat-inactivated, or hemolyzed specimens.
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
< 1:1 Negative - No significant level of LCM virusIgG antibody detected. ≥ 1:1 Positive - Presence of IgG antibody to LCM virusdetected, suggestive of current or past infection.
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
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.
Compliance Category
Laboratory Developed Test (LDT)
NoteAdditional information related to the test.
Hotline History
N/A
CPT CodesThe 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.
AliasesOther names that describe the test. Synonyms.
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