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Test Directory

Test Directory Cytomegalovirus IgG Avidity

Cytomegalovirus IgG Avidity

Test Summary

Discrimination between recent (primary) and past cytomegalovirus (CMV) infection can be an important tool in the clinical management of pregnant women. Measurement of CMV IgG avidity can assist in discriminating recent from past CMV infection.

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

0.5 mL spun serum

Minimum Volume

0.25 mL

Instructions

N/A

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

N/A

Order Code

CMVIDX

EPIC (Premier) Code

LAB5165

Includes

N/A

CPT Code

86644

Billing Code

670217

CPT Statement

Methodology

Immunoassay (IA)

FDA Status

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano CA, 92675

Department

Reference Testing

Reference Range

>0.70

Interpretive Criteria

<0.60	Low Avidity Index
0.60-0.70	Intermediate Avidity Index
>0.70	High Avidity Index

Setup Schedule / Expected Turnaround Time

Sunday, Tuesday - Friday; Report available: 1 - 3 days