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HelpTest Code CMVMS Cytomegalovirus Antibody, IgM, Serum
Specimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.6 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Useful For
Aiding in the diagnosis of acute infection with cytomegalovirus
Method Name
Electrochemiluminescence Immunoassay (ECLIA)
Reporting Name
CMV Ab, IgM, SSpecimen Type
SerumSpecimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 28 days |
| Frozen | 90 days | |
| Ambient | 7 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Additives (eg, biocides, antioxidants) | Reject |
| Heat inactivated | Reject |
Reference Values
Negative
Reference values apply to all ages.
Interpretation
Negative:
No IgM to cytomegalovirus (CMV) detected. False negative results may occur in immunocompromised patients.
Borderline:
Recommend follow-up testing in 10 to 14 days if clinically indicated.
Positive:
CMV IgM antibodies detected, which may indicate active or recent infection. Low level IgM antibodies may persist for more than 12 months following disease resolution.
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86645
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CMVMS | CMV Ab, IgM, S | 30325-5 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| MCMV | CMV Ab, IgM, S | 30325-5 |