Cytomegalovirus IgG Antibody

Last Modified: 2/20/2019 4:15:08 PM

Medical Necessity Documentation:
Duplicate testing on this test is not acceptable per Medicare:  Testing to only be done every 365 days
Client Notes:  
Patient Preparation:  
Specimen Requirements: 1.0 mL Serum in a SST Gold Top Tube
Collection Instructions:  
Transport & Storage: Temperature/Stability: 2 days Refrigerated
30 days Frozen
(Do not use frost free units that undergo repeated freeze/thaw cycles)
Reference Range:
OD ratio <0.90 indicates no detectable Cytomegalovirus IgG antibody. No evidence of infection or immunity
OD ratio 0.91 - 1.09 is equivocal for Cytomegalovirus IgG antibody. Suggest a new specimen be collected and retested.
OD ratio > 1.10 is positive for Cytomegalovirus IgG antibody. In asymptomatic patients, including prenatal screens, a positive value is consistent with previous infection or immunity.
A single specimen is of limited diagnostic value in documentation of an acute or concurrent infection.
Critical Ranges:  
Test Comments:  
Methodology: EIA
Clinical Significance:  
Custom Panel: No


Turn Around Time: 7 days
Days Performed: Tuesday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: CMVG
EPIC Test Code: IMO65
Alternate Test Names: CMV IgG
Included Tests:  
CPT Coding: 86644

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