Rubeola Testing

General

Synonym/Acronym:
measles serology.

Rationale
To assist in confirming diagnosis of a current, recent, or past rubeola infection.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Enzyme-linked immunosorbent assay.

IgMInterpretationIgGInterpretation
NegativeNo significant level of detectable rubeola IgM antibodyNegativeNo significant level of detectable rubeola IgG antibody; indicative of nonimmunity
IndeterminateEquivocal results; retest in 7–14 daysIndeterminateEquivocal results; retest in 7–14 days
PositiveRubeola IgM antibody detected; indicative of recent immunization, current or recent infectionPositiveRubeola IgG antibody detected; indicative of immunization, current or past infection


Critical Findings and Potential Interventions
Specific infectious organisms are required to be reported to local, state, and national departments of health. Lists of specific organisms may vary among facilities. State health departments provide information regarding reportable diseases, which can be accessed at each state health department website. The Centers for Disease Control and Prevention (CDC) provide information regarding national notifiable diseases at https://ndc.services.cdc.gov/search-results-year.

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