Mumps Antibody IgM

Label Mnemonic:	MUMPIGM
Epic code:	LAB7548
Downtime form:	A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Serum

Collection Medium:

Red top tube 5 mL (Clot Activator)

Minimum:

0.2 mL blood in Red Top Tube or 1 mL serum

Rejection Criteria:

Contaminated, hemolyzed, heat-inactivated, or severely lipemic specimens.

Delivery Instructions:

Deliver to laboratory immediately after collection. Serum must be separated from cells within 1 hour of collecting sample. Test cannot be added on to a sample greater than 2 hours.

Turn Around Time:

1 week upon receipt at reference laboratory 1-5 days upon receipt at reference laboratory

Reference Range:

Negative

Interpretive Data:

0.79 IV or less: Negative - No significant level of detectable IgM antibody to Mumps virus. 0.80-1.20 IV: Equivocal - Borderline levels of IgM antibody to Mumps virus. Repeat testing in 10-14 days may be helpful. 1.21 IV or greater: Positive - Presence of IgM antibody to Mumps virus detected, which may indicate a current or recent infection. However, low levels of IgM antibody may occasionally persist for more than 12 months post-infection or immunization.

Methodology:

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

CPT Code:

86735