Ordering Recommendation

Aid in the diagnosis of acute measles infection. Consider ordering Measles (Rubeola) Antibodies, IgG and IgM (0050375).

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP standard transport tube. (Min: 0.3 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".

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month (avoid repeated freeze/thaw cycles)

Methodology

Semi-Quantitative Indirect Fluorescent Antibody (IFA)

Performed

Mon-Fri

Reported

1-5 days

Reference Interval

Test Number
Components
Reference Interval
  Measles, Rubeola, Antibody IgM 0.79 AU or less

Interpretive Data




Result Interpretation
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.

Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

86765

Components

Component Test Code* Component Chart Name LOINC
0099597 Measles, Rubeola, Antibody IgM 5245-6
* 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.

Aliases

  • measles IgM
  • MMR
  • Rubeola
  • Rubeola IgM
Measles (Rubeola) Antibody, IgM by IFA