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EMA

Alias/Synonym: Epithelial Membrane Antigen

CPT Code: 88342

Includes:
Specimen Type, Preferred:
Formalin fixed paraffin embedded tissue
Specimen Type, Alternate:
Sample Quantity, Preferred:
1 block
2 slides
Sample Quantity, Minimum:
N/A
Transport Container:
Paraffin block
Unstained slides
Transport Temperature:
Room temperature
Collection Instructions:
Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Slides should be positively charged and cut at 3-4 microns for each stain/antibody ordered.
Specimen Stability:
N/A
Rejection Criteria:
No liquid specimens.
Uncharged slides
Clinical Significance:
Epithelial membrane antigen (EMA), also known as episialin or MUC1, is reported to be expressed in a variety of normal and neoplastic epithelia. It is also present on plasma cells, and some types of stromal cells. In addition to many epithelial neoplasms, EMA may be demonstrated on meningiomas, some sarcomas, mesothelioma, myeloma, nodular LP Hodgkin lymphoma, and some types of lymphoma.
Limitations:
Turnaround Time:
1 day(s)
Reference Ranges:
N/A
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