ARUP's Laboratory Test Directory

Parvovirus B19 Antibodies, IgG and IgM : 0065120

Mnemonic: PARVO

Methodology: Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed: Sun-Sat
Reported: 1-3 days
Specimen Required: Collect: Serum separator tube. Also acceptable: Lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).

Specimen Preparation: Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Contaminated, heat-inactivated, hemolyzed, hyperlipemic, or icteric serum.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reference Interval:
 
Test Number Components Reference Interval
0065121Parvovirus B19 Antibody, IgG 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.
0065122Parvovirus B 19 Antibody, IgM 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.

CPT Code(s): 86747 x2
Cross References: B19 (Parvovirus B 19 Antibodies, IgG & IgM), Fifth Disease (Parvovirus B 19 Antibodies, IgG & IgM), Fifth Disease, IgG and IgM (Parvovirus B 19 Antibodies, IgG & IgM)