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HelpTest Code FH7GM Herpesvirus 7 IgG and IgM Antibody Panel, IFA
Specimen Required
Specimen Type: Serum
Collection Container/Tube: Red or SST
Submission Container/Tube: Plastic vial
Specimen Volume: 1mL
Collection Instructions:
1. Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable.
2. Centrifuge and send 1 mL serum in a screw-capped vial, shipped refrigerate.
Method Name
Immunofluorescence Assay (IFA)
Reporting Name
Herpesvirus 7 IgG/IgM Ab Panel, IFASpecimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days |
| Frozen | 30 days | |
| Ambient | 7 days |
Reject Due To
| Hemolysis: | Mild OK; Gross Reject |
| Thawing: | Warm OK; Cold OK |
| Lipemia: | Mild OK; Gross Reject |
| Icterus | Mild OK, Gross Reject |
Reference Values
Reference Range:
IgG <1:320
IgM <1:20
Human Herpesvirus 7 (HHV-7), a close relative of HHV-6, is found in >85% of the population, with transmission occurring in early childhood. Like HHV-6, HHV-7 is a cause of exanthem subitum (roseola infantum). Due to the ubiquitous nature of HHV-7 infection, >80% of individuals in the general population exhibit HHV-7 IgG titers >or=1:20; however, only 5% of these individuals exhibit titers >1:320. Thus, HHV-7 IgG titers > 1:320 are suggestive of recent HHV-7 infection. Detection of HHV-7 specific IgM is also indicative of recent infection.
Day(s) Performed
Thursday
Report Available
3 to 11 daysPerforming Laboratory
Quest DiagnosticsCPT Code Information
86790 x 2