Parvovirus B19 Antibodies, IgG & IgM
Order Code: PARVO
Epic Lab Code: LAB3806
Order Form: A-1a Miscellaneous Request or Epic Req
Commercial Mail-out Laboratory
6240 RCP
356-3527
Specimen:
Serum
Collection Medium:
Red top tube
Alternate Collection Media:
Lavender top tube 3 mL (EDTA), Green top tube 4 mL (Na Heparin), Light Green top tube (Lithium Heparin)
Minimum:
Preferred adult minimum: 0.5 mL serum Absolute adult minimum: 0.1 mL serum Pediatric minimum: 0.1 mL serum
Rejection Criteria:
Lipemic or icteric specimens.
Analytic Time:
3 days upon receipt at reference laboratory
Reference Range:
Parvovirus B19 IgG Index IV = Index Value 0.89 IV or less: Negative - No significant level of detectable Parvovirus B19 IgG antibody 0.90 - 1.10 IV: Equivocal - Repeat testing in 10-14 days may be helpful 1.11 IV or greater: Positive - IgG antibody to Parvovirus B19 detected, which may indicate a current or past infection. Parvovirus B19 IgM Index IV = Index Value 0.89 IV or less: Negative - No significant level of detectable Parvovirus B19 IgM antibody 0.90 - 1.10 IV: Equivocal - Repeat testing in 10-14 days may be helpful 1.11 IV or greater: Positive - IgM antibody to Parvovirus B19 detected, which may indicate a current or recent infection. However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection.
Comments:
Mark specimens as "acute" or "convalescent" specimen. Parallel testing is preferred and convalescent samples must be received within 30 days from receipt of acute samples.
Methodology:
Enzyme Linked Immunosorbent Assay
CPT Code:
86747(x2)
 
See also:
Parvovirus, PCR, Human, Amniotic Fluid, Synovial, CSF, Vesicle Fluid, Tissue-Snap Frozen