Davis's Lab & Diagnostic Tests
Parvovirus B19 Testing
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Synonym/Acronym:
N/A
Rationale
To assist in confirming a diagnosis of a current, recent, or past parvovirus infection.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Immunoassay.
| IgM | Interpretation | IgG | Interpretation |
|---|---|---|---|
| Negative | No significant level of detectable antibody | Negative | No significant level of detectable antibody; indicative of nonimmunity |
| Indeterminate | Equivocal results; retest in 7–14 days | Indeterminate | Equivocal results; retest in 7–14 days |
| Positive | Antibody detected; indicative of recent immunization, current, or recent infection | Positive | Antibody detected; indicative of immunization, current, or past infection |
Critical Findings and Potential Interventions
N/A
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Synonym/Acronym:
N/A
Rationale
To assist in confirming a diagnosis of a current, recent, or past parvovirus infection.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Immunoassay.
| IgM | Interpretation | IgG | Interpretation |
|---|---|---|---|
| Negative | No significant level of detectable antibody | Negative | No significant level of detectable antibody; indicative of nonimmunity |
| Indeterminate | Equivocal results; retest in 7–14 days | Indeterminate | Equivocal results; retest in 7–14 days |
| Positive | Antibody detected; indicative of recent immunization, current, or recent infection | Positive | Antibody detected; indicative of immunization, current, or past infection |
Critical Findings and Potential Interventions
N/A
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