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Test Code CMVM Cytomegalovirus (CMV) Antibody, IgM, Serum

Important Note

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

Additional Codes

ALAB: CMVM

Powerchart: Cytomegalovirus (CMV) IgG IgM Antibodies

MA Cerner: Cytomegalovirus(CMV) Antibodies, IgM, Serum

Test Method

Multiplex Flow Immunoassay; BioRad BioPlex

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).

Performance

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

Reference Value

CMV IgM: Negative

CPT Code Information

86645 Antibody; Cytomegalovirus (CMV), IgM

Useful For

Diagnosis of primary, acute phase infection with cytomegalovirus (CMV), especially in patients with infectious mononucleosis and pregnant women who, based on clinical signs or exposure, may have primary CMV infection

LOINC Code Information

24119-0 Cytomegalovirus IgM Ab [Presence] in Serum by Immunoassay

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