Wilms Tumor 1 (WT1), IHC without interpretation

Test Code
19411X

CPT Codes
88342

Preferred Specimen
Formalin fixed paraffin embedded tissue block

Other Acceptable Specimens
4-micron unstained slides (x5)  Fixed tissue Tissue in neutral buffered formalin

Instructions
Tumor paraffin block (formalin-fixed only) or five 4-micron unstained sections on Poly-L-Lysine or Silane coated slides. See Specimen Collection Section, Oncology. Ship at room temperature. Do not place paper labels with adhesive backing on slides. Use pencil or xylene resistant pen to write on the frosted end of the slide only. Pathology report is required.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable


Methodology
Immunohistochemistry (IHC)

Setup Schedule
Sets up Mon through Sat AM



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.