ARUP's Laboratory Test Directory

Lymphocytic Choriomeningitis (LCM) Virus Antibody, IgG, CSF : 2001629

Mnemonic: LCM G CSF

Methodology: Semi-Quantitative Indirect Fluorescent Antibody
Performed: Tue, Fri
Reported: 1-5 days
Specimen Required: 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.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval:
< 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.
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.

See Compliance Statement D: www.aruplab.com/CS
CPT Code(s): 86727