Cytomegalovirus Antibodies, IgG and IgM

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Example Reports
Detected
Not Detected

Ordering Recommendation

Aid in discriminating between current and past cytomegalovirus infection in immunocompetent individuals.

Mnemonic

CMV PAN

Methodology

Semi-Quantitative Chemiluminescent Immunoassay

Performed

Sun-Sat

Reported

1-2 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum Separator Tube (SST).

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Plasma or urine. Contaminated, hemolyzed, or heat-inactivated specimens.

Remarks

Label specimens plainly as "acute" or "convalescent."

Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval

Test Number
 Components
 Reference Interval
  CMV Antibody IgM 29.9 AU/mL or less

Interpretive Data




Component Interpretation
Cytomegalovirus Antibody, IgG 0.59 U/mL or less:  Not Detected.
0.60-0.69 U/mL:  Indeterminate - Repeat testing in 10-14 days may be helpful.
0.70 U/mL or greater:   Detected.
Cytomegalovirus Antibody, IgM 29.9 AU/mL or less:  Not Detected.
30.0-34.9 AU/mL:    Indeterminate - Repeat testing in 10-14 days may be helpful.
35.0 AU/mL or greater:  Detected - IgM antibody to CMV 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.

Compliance Category

FDA

Note

This test should not be used for blood donor screening, associated re-entry protocols, or for screening Human Cell, Tissues and Cellular and Tissue-Based Products (HCT/P).

Hotline History

N/A

CPT Codes

86644; 86645

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Components

Component Test Code* Component Chart Name LOINC
0050165 CMV Antibody IgG 5124-3
0050553 CMV Antibody IgM 7853-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • CMV Antibodies
  • CMV IgG & IgM
  • Cytomegalovirus (CMV) Antibodies, IgG and IgM, Serum
Cytomegalovirus Antibodies, IgG and IgM