Measles (Rubeola) Antibodies, IgG and IgM
Ordering Recommendation
Aid in the diagnosis of measles infection. Test may not be helpful in patients who have recently received an MMR vaccination.
New York DOH Approval Status
Specimen Required
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP standard transport tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent".
Refrigerated.
Refer to individual components.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month (avoid repeated freeze/thaw cycles)
Methodology
Semi-Quantitative Chemiluminescent Immunoassay (CLIA) / Semi-Quantitative Indirect Fluorescent Antibody (IFA)
Performed
Mon, Wed, Fri
Reported
1-6 days
Reference Interval
Test Number |
Components |
Reference Interval |
---|---|---|
Measles, Rubeola, Antibody IgM | 0.79 AU or less |
Interpretive Data
Component |
Interpretation |
---|---|
Measles (Rubeola) Antibody, IgG | 13.4 AU/mL or less: Negative - No significant level of detectable measles (rubeola) IgG antibody. 13.5-16.4 AU/mL: Equivocal - Repeat testing in 10-14 days may be helpful. 16.5 AU/mL or greater: Positive - IgG antibody to measles (rubeola) detected, which may indicate a current or past exposure/immunization to measles (rubeola). |
Measles (Rubeola) Antibody, IgM | Less than 1:10: Negative. No evidence of recent infection. False-negative results are possible if the specimen was collected too soon after exposure. Molecular testing may be helpful. 1:10 or greater: Positive. Indicative of recent primary measles infection. False positive results are possible. |
FDA
Note
Hotline History
Hotline History
CPT Codes
86765 x2
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0050380 | Measles, Rubeola, Antibody IgG | 7962-4 |
0099597 | Measles, Rubeola, Antibody IgM | 5245-6 |
Aliases
- rubeola antibody panel
- rubeola IgG IgM
- Rubeola serology