CEA [polyclonal, to CEA family (CD66)] pin


CEA [polyclonal, to CEA family (CD66)]

Alternate Test Names:
CEA polyclonal

Methodology: IHC

Clinical Significance:
Identifies the family of at least five proteins known collectively as CEA (CD66). This protein group includes: ‘true’ CEA (CD66e); NCA (CD66c), present in neutrophils; and biliary glycoprotein (BGP, or CD66a). The latter, when expressed in a bile canalicular pattern, is highly specific for hepatocellular carcinoma.

Subcellular Localization: Cytoplasmic and membranous


Disease State: Hepatocellular Carcinoma

CPT Code(s): 88342 or 88341

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR -
• 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm

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