Rubella Testing

Rubella Testing is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
German measles serology.

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

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

Normal Findings
Method: Chemiluminescent immunoassay.

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

Critical Findings and Potential Interventions

A nonimmune status in pregnant patients may present significant health consequences for the developing fetus if the mother is exposed to an infected individual.

Timely notification to the requesting health-care provider (HCP) of any critical findings and related symptoms is a role expectation of the professional nurse. A listing of these findings varies among facilities.

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 Web site. The CDC provides information regarding national notifiable diseases at https://wwwn.cdc.gov/nndss/conditions/notifiable/2019/.

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Synonym/Acronym:
German measles serology.

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

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

Normal Findings
Method: Chemiluminescent immunoassay.

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

Critical Findings and Potential Interventions

A nonimmune status in pregnant patients may present significant health consequences for the developing fetus if the mother is exposed to an infected individual.

Timely notification to the requesting health-care provider (HCP) of any critical findings and related symptoms is a role expectation of the professional nurse. A listing of these findings varies among facilities.

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 Web site. The CDC provides information regarding national notifiable diseases at https://wwwn.cdc.gov/nndss/conditions/notifiable/2019/.

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