CD4, IHC without Interpretation

Test Code

19298

CPT Codes
88342

Preferred Specimen

Formalin-fixed paraffin embedded tissue

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

Pathology report is required

Transport Container

Paraffin embedded tissue block

Transport Temperature

Room temperature

Specimen Stability

Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received frozen

Methodology
Immunohistochemistry

Setup Schedule

Mon-sat

Report Available

1-2 days

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

Last Updated: November 6, 2024

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.