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APCK7
KERATIN 7, IMMUNOHISTOCHEMISTRY STAIN

Test Code APCK7 
Test KERATIN 7, IMMUNOHISTOCHEMISTRY STAIN 
Description Cytokeratin 7 reacts with the 54 kDa cytokeratin intermediate filament protein present in transitional epithelium of the urinary tract, bile duct epithelium, and lung and breast glandular epithelium.

NOTE: This test is usually ordered in conjunction with a pathology consultation. The pathology professional component will be billed separately by the consulting pathologist. 

Specimen Formalin-fixed or paraffin-embedded tissue specimen. 
Reference Values An interpretive report will be issued. 
Analytic Time 2 Days 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 88342