Respiratory Syncytial Virus Antibodies

Last Modified: 10/4/2021 11:42:46 AM


Specimen Requirements:

1.0 mL Serum in a SST Gold Top Tube
Transport & Storage: Temperature/Stability: 14 days Refrigerated
14 days Frozen
Rejection Criteria: Gross Hemolysis & Lipemic
Reference Range: Reference Values
 IgG: <1:10 
IgM: <1:10 

Interpretation Normals: 
-IgG: <1:10 
-IgM: <1:10 

The presence of IgM class antibodies or a 4-fold or greater rise in paired sera IgG titer indicates recent infection. The presence of demonstrable IgG generally indicates past exposure and immunity. 

For low IgG antibody levels with no demonstrable IgM, it is recommended that a convalescent specimen be drawn in 2 to 4 weeks. 

Not useful for diagnosis from spinal fluid.
Methodology: Immunofluorescence
Clinical Significance: Aiding in the diagnosis of a recent respiratory syncytial virus infection. 

Respiratory syncytial virus (RSV) is an important cause of human respiratory infection. It strikes most frequently and severely in the very young and is a common cause of bronchiolitis, pneumonia, or croup in young infants. Infections in older children and adults tend to be milder and to involve the upper respiratory tract. RSV infections are seasonal, from late fall to spring, and often occur in epidemic form.
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 3 to 5 days
Days Performed: Tuesday, Friday
Sites Performed: Mayo Laboratory
PHL Test Code: MSOT
EPIC Test Code:
Send Out Test Code: SRSV
Alternate Test Names: Respiratory Syncytial Virus (RSV) Antibodies, IgG ; Respiratory Syncytial Virus, IgG/M; RSV, IgG and IgM
CPT Coding: 86756 x 2

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