CD20, IHC without Interpretation

Message

Order as FLEXI or ESOT

Test Code

Quest Code

19152X

CPT Codes
88342

Preferred Specimen

Formalin fixed paraffin embedded tissue block

Other Acceptable Specimens

Fixed tissue • Tissue in neutral buffered formalin • Five 4-micron unstained slides

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.

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. Pathology report is required.

Transport Temperature

Room temperature

Specimen Stability

Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable

Methodology
Immunohistochemistry

Setup Schedule

Sets up Mon through Sat AM

Reference Range

See Laboratory Report

Performing Laboratory
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130

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.