CARCINOEMBRYONIC ANTIGEN (087-0688)

CEA

Chemiluminescence

Special Chemistry

Routine: 24 - 48 hours. Test is performed on Monday through Friday.

Collect: Routine venipuncture. Red topped tube. AM collection preferred

Storage/Transport: Centrifuge the specimen within two hours of collection, transfer serum to a storage tube, and refrigerate at 2° to 8°C. If analysis cannot be performed within 24 hours, store serum frozen at -15° to -20°C.

Causes for Rejection: Blood collected in an anticoagulated tube, improperly labeled specimen, and QNS specimen

If applicable, state clinical information that is required to be provided with specimen.

By report (reports may vary based on instrumentation, patient age and sex)

The test can be ordered only once per patient admission for inpatients and once per month for outpatients. Additional requests must have the approval of the laboratory director.  Due to change in instrumentation, only SERUM can be used to run this test. 

82378  Limited Coverage Test (NCD)

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient.  Components of the organ or disease panels may be ordered individually.  The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-9 code or its verbal equivalent.

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