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Test Name:
Rubeola IgM Antibody, Cerebrospinal Fluid
- SBMF No:
45468 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
CSF MEASLM - ABN:
Not required - CPT Code:
86765 - LOINC Code:
13283-7 - Ref Lab Test No:
0054441 - Also Known As:
Measles IgM Antibody, CSF - Spec Type:
Cerebrospinal Fluid (CSF) - Spec Container:
Plastic transport tube with threaded cap - Pref Vol:
0.5 mL - Min Vol:
0.2 mL - Spec Collect:
Collected by physician - Spec Store Transport:
Refrigerated - Spec Stability:
8 hours room temperature (20-30°C)
2 weeks refrigerated (2-8°C)
1 year frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Heat-inactivated or contaminated sample - Spec Remarks:
CSF is the only acceptable sample type - Methodology:
Enzyme-Linked Immunosorbent Assay (ELISA) - Clinical Significance:
Refer to:
- Reference Range:
0.79 AU or less: Negative - No significant level of IgM antibodies to measles (rubeola) virus detected.
0.80-1.20 AU: Equivocal - Repeat testing in 10-14 days may be helpful.
1.21 AU or greater: Positive - IgM antibodies to measles (rubeola) virus detected. Suggestive of current or recent infection or immunization. However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization.Interpretive Data:
The detection of antibodies to rubeola in CSF may indicate central nervous system infection. However, consideration must be given to possible contamination by blood or transfer of serum antibodies across the blood-brain barrier. - Additional Test Info:
The manufacturer has not determined the efficacy of this test when performed on CSF specimens. The performance characteristics of this test were determined by ARUP laboratories. - Day Run:
Mon-Fri - Time Reported:
2-6 days - Test Type:
INFECTIOUS ANTIBODY
