91128      Herpes Virus-6 Antibody, IgG
Specimen:
  Collect: One 7.5 mL SST  
  Submit: 1 mL (Min:0.2 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.  
  Special Handling: If acute and convalescent samples being submitted, label as such. Convalescent sample must be received in lab within 30 days. 
  Rejection Criteria: Grossly Lipemic Samples
Hemolyzed specimens 
  Stability: Ambient: 2 Day(s); Refrigerated: 2 Week(s); Frozen: 12 Month(s); Incubated: Unacceptable 
Methodology: Enzyme-Linked ImmunoSorbent Assay (ELISA) 
Performed: Tuesday, Thursday 
Reported: 3-7 Day(s) 
CPT Codes:
86790 - Virus Antibody
Interpretive Data:
Reference Range -
<0.90 IV: Negative - No significant level of HHV-6 IgG antibody.
0.90-1.10 IV: Equivocal - Questionable presence of HHV-g IgG antibody. Repeat testing in 10-14 days may be helpful.
>1.10 IV: Positive - IgG antibody to HHV-6 detected which may indicate current or previous infection.