Laboratory Services

Mumps Virus Antibody, IgG, Serum

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Updated Test Information:

Test Description
Mumps Virus Antibody, IgG, Serum

Mumps IgG; Mumps Serology

Test ID
General Information

Useful for:

  • Determination of postimmunization immune response of individuals to the mumps vaccine

  • Documentation of previous infection with mumps virus in an individual with no previous record of immunization to mumps virus

Specimen Type


Specimen Requirements

  • Preferred: Serum Gel (SST)

  • Acceptable: Red Top


  • Refrigerated (preferred): 14 days

  • Frozen: 14 days

Unacceptable Specimen Conditions

  • Gross hemolysis

  • Gross lipemia

  • Gross icterus

  • Heat-inactivated specimen


  • Mumps virus shares antigenic relationships with other viruses of the paramyxovirus group; therefore, serologic crossreactions are possible, but uncommon with this test procedure

  • IgG-class antibodies to mumps virus may be present in serum specimens from individuals who have received blood products within the past several months, but have not been immunized or experienced past infection with this virus

  • Serum samples drawn early during acute phase of infection may be negative for IgG-class antibodies to this virus


Multiplex Flow Immunoassay (MFI)

Estimated TAT

1-3 days

Testing Schedule



14 days

CPT Code(s)


Additional Information
Minimum Sample Volume

0.4 mL

Reference Range

  • AI: Antibody Index

  • Vaccinated: Positive (≥ 1.1 AI)

  • Unvaccinated: Negative (≤ 0.8 AI)

Performing Lab


LOINC Code(s)

6476-6, 25418-5