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APPSA
PROSTATE-SPECIFIC ANTIGEN (PSA), IMMUNOHISTOCHEMISTRY STAIN

Test Code APPSA 
Test PROSTATE-SPECIFIC ANTIGEN (PSA), IMMUNOHISTOCHEMISTRY STAIN 
Description Immunohistochemical stain for PSA is helpful in identification of metastatic prostatic carcinomas. This can be used in conjunction with antisera to prostatic acid phosphatase, see "Prostatic Acid Phosphatase (PAP), Stain."

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