Test Details
Mnemonic
RUBEM
Ordering Code
3685580
CPT-4 Code(s)
86765
Specimen Information
Collect
SST
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours, and send 0.5 mL serum refrigerated in a screw-capped plastic vial.
Alternate Specimen
Serum: Red-top
Minimum Volume
0.1 mL
Transport Temperature
Refrigerated
Rejection Criteria
Grossly hemolyzed, lipemic or icteric specimens
Stability
Room temperature: 2 days
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Semi-quantitative Enzyme Linked Immunosorbent Assay
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
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
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes