CA 19-9, IHC with Interpretation

Test Code

19138X

CPT Codes
88342

Preferred Specimen

Formalin fixed paraffin embedded tissue in an IHC specimen transport kit

Other Acceptable Specimens

4-micron unstained slides (x5) • Fixed tissue • Tissue in neutral buffered formalin

Instructions

Pathology report is required

Transport Temperature

Room temperature

Specimen Stability

Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Unacceptable

Methodology
Immunohistochemical Stain

Setup Schedule

A.M.

Reference Range

See Laboratory Report

Clinical Significance

The following CD markers are expressed on specific hematologic cells. Individual and a series of IHC markers can be run on unknown cells and presence or absence of the antigen can help to characterize the cell of interest.

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

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.