Print View Attached Docs:
Methodology: Enzyme-Linked Immunosorbent Assay (ELISA)
Edit Date: 6/11/2010
Performed: Monday, Wednesday, Friday
Released: 1-6 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 86735-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and immediately separate serum from cells . Label specimen as ”acute” or ”convalescent.”
Stability: 48 hours ambient, 14 days refrigerated, or 1 year frozen. Avoid repeated freeze/thaw cycles.
Standard Volume: 1 mL serum.
Minimum Volume: 200 µL serum.
Transport: Refrigerated.
Comments: Parallel testing is preferred and convalescent specimen MUST be received within 30 days from receipt of acute specimen.
Rejection Criteria: Severely lipemic, or hemolyzed specimen; heat-inactivated serum; contaminated specimen.

Reference Range:
IV = Index Value
≤ 0.79 IV – Negative: No significant level of detectable IgM antibody to Mumps virus.
0.80-1.20 IV – Equivocal: Borderline levels of IgM anti body to Mumps virus. Repeat testing in 10-14 days may be helpful.
≥ 1.21 IV – Positive: Presence of IgM antibody to Mumps virus detected and may indicate a current or recent infection. However, low levels of IgM anti body may occasionally persist for more than 12 months post-infection or immunization.

PeaceHealth Laboratories