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CEA with HAMA Treatment
Approximately 5% of colorectal cancers are not associated with increased levels of CEA. CEA may be elevated in many types of solid cancer.
|CEA, HAMA Treated||See below|
|CEA, Untreated||Non-smoker||<2.5 ng/mL|
CEA is a tumor marker that is useful to monitor patients with persistent, recurrent or metastatic colonic carcinoma. Patients who have received mouse monoclonal antibodies as part of treatment should have their specimens pre-treated for removal of the human antimouse antibodies (HAMA).
To view specimen requirements and codes please Select a regional laboratory.
Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)
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.