| 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) |
| 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. |
| 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. |
| Reference Range: | Negative - no CMV IgM detected; Positive - past or current infection |
| Turnaround Time: | Test is performed in batch, once per day, six days a week |
| Methodology: | Multiplexing bead immunoassay |
| Performed: | Clinical Microbiology |
| Synonyms: | CMV IgM Antibody; CMVM |
| Clinical Indication: | Screening for CMV antibodies, IgM |
| Patient Preparation : | Routine venipuncture |
| CPT 4 Code: | 86645 |
| Note: |
If the patient has no detectable antibody, testing at greater than two-week intervals is appropriate. |
| 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. | |