Parvovirus B19 Antibodies, IgG & IgM, Serum

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