Test Name: PSA
Prostate-specific antigen (PSA) is a 33 kDa protein belonging to the kallikrein family of proteases. It is primarily produced by the prostatic epithelium and the epithelial lining of the periurethal glands. PSA is strongly expressed in both normal and neoplastic prostatic tissue. This antibody is useful for the identification of human prostate-specific antigen.
A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type or one (1) unbaked, unstained slide cut at 4-5 microns for H&E staining (required) and two to three (2-3) positively charged unstained slides cut at 3-4 microns for each test/antibody ordered.
Storage and Transport
Use cold pack during transport of paraffin blocks and unstained slides. Cold pack should not be placed in direct contact with the specimen during shipping
Specimen Rejection Criteria
Turn Around Time (TAT): 2-3 Days
CPT Codes*: 88341, 88342, 88360
*The CPT codes provided with our Test Descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.