ARUP's Laboratory Test Directory

Parainfluenza Virus 1 Antibody, IgG : 0051068

Mnemonic: PARA 1G

Methodology: Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed: Tue
Reported: 1-8 days
Specimen Required: Collect: Serum separator tube.

Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.05 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. Also acceptable: Room temperature or frozen.

Unacceptable Conditions: Plasma. Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval:
0.89 IV or less: Negative - No significant level of parainfluenza virus 1 IgG antibody detected.
0.90 - 1.10 IV: Equivocal - Questionable presence of parainfluenza virus 1 IgG antibody detected.  Repeat testing in 10-14 days may be helpful.
1.11 IV or greater: Positive - IgG antibodies to parainfluenza virus 1 detected, which may suggest current or past infection.
CPT Code(s): 86790