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Heterophil antibodies may produce falsely-elevated results.
Levels increase sharply during the luteal phase of the menstrual cycle. The level increases from 9 to 32 weeks of pregnancy.
To view specimen requirements and codes please Select a regional laboratory.
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Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.