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Test Code MEASLG Measles (Rubeola) Antibodies, IgG, Serum

Important Note

The performance of this test has not been established for use in a pediatric population, neonates and immunocompromised patients.

Additional Codes


Powerchart: Rubeola Antibody, IgG

MA Cerner: Measles (Rubeola) Antibodies, IgG, Serum

Specimen Requirement

Serum is preferred, EDTA or heparinized plasma are also acceptable. Gel tubes are acceptable.

Additional Specimen Collection Information

Collect blood in a serum or plasma gel tube (EDTA or heparin).

  • Minimum volume: 500 mcL
  • Hemolysis: > 2+ not acceptable
  • Lipemia: > 3+ must be ultracentrifuged
  • Icterus: no significant interference noted
  • Storage: specimen is stable for up to 7 days refrigerated; freeze at -20oC for long term storage.
    Thoroughly mix thawed specimens; it is also recommended to centrifuge thawed specimens to remove gross particulate matter. Avoid multiple freeze-thaw cycles (up to 3 cycles are acceptable).

Reference Value

Positive (≥1.1 AI)
Positive: The presence of antibody suggests immunization or past or current infection

Useful For

  • Determination of immune status of individuals to the measles virus
  • Documentation of previous infection with measles virus in an individual without a previous record of immunization to measles virus


Testing is performed Monday through Sunday.
Routine: Typically completed within 4 hours after the specimen arrives at the testing site.

CPT Code Information

86765 Antibody; Rubeola, IgG

LOINC Code Information

35275-7 Measles virus IgG Ab [Presence] in Serum by Immunoassay

Test Method

Multiplex Flow Immunoassay; BioRad BioPlex