Mumps Antibody, IgM


Sunquest Code:MUMM  
Epic Code:LAB161Epic Name:MUMPS ANTIBODY IGM
Methodology:Enzyme-linked immunosorbent assay
CPT Code:86735
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-6 days.
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent. Convalescent specimens must be received within 30 days from receipt of the acute specimens.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Hemolyzed, severely lipemic.


Processing and Shipping

Specimen Processing:Separate serum from cells ASAP. Centrifuge and aliquot 1 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:99589 (MUMPS IGM)


Interpretive

Reference Range:

0.79 IV or less

Negative: No significant level of detectable IgM antibody to mumps virus.

0.80-1.20 IV

Equivocal: 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 antibodies may occasionally persist for more than 12 months post-infection or immunization.

 

 



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