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Alphabetical Index
Cytomegalovirus (CMV) Antibody, IgM (8000100345)
Test Mnemonic:
Specimen Requirements:
Collection:

Serum separator tube (SST) or Red Top serum tube with no additive
Container:

Serum separator tube (SST) or Red Top serum tube with no additive

 
Minimum Volume:

3 mL of blood (1mL of serum)

 
Storage/Transport:

Refrigerate (2-8°C) up to 7 days; Samples should be frozen (<-20°C)
Stability:

Refrigerate (2-8°C) up to 7 days; Samples should be frozen (<-20°C)
Causes for Rejection:

Gross hemolysis, bacterial contamination, lipemic. Specimen container unlabeled or labeled incorrectly. No date and time of collection or no collector information on order.
Specimen Preparation:

Within two hours of collection, centrifuge. Serum collected in a red top should be removed from the red cells if testing will be delayed.
Methodology:

Multiplexing bead immunoassay
Performed:

Clinical Microbiology
Turnaround Time:

Test is performed in batch, once per day, six days a week
Reference Range:

Negative - no CMV IgM detected; Positive - past or current infection
CPT 4 Code:

86645
Note:

 

If the patient has no detectable antibody, testing at greater than two-week intervals is appropriate.
Synonyms:

CMV IgM Antibody; CMVM
Patient Preparation :

Routine venipuncture
Clinical Indication:

Screening for CMV antibodies, IgM

Effective Date: 03/25/2021
Reviewed By/Date: Williams-Bouyer, Natalie - 03/06/2019
Approved By/Date: Williams-Bouyer, Natalie - 10/08/2024
When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent.

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