Kappa/Lambda Light Chain, ISH without Interpretation

Test Code

18854

CPT Codes
88365, 88364

Preferred Specimen

Formalin-fixed, paraffin-embedded tissue block

Other Acceptable Specimens

Minimum: 6 unstained, positively charged slides

Instructions

Do not freeze.

Transport Container

IHC Specimen Transport Kit

Transport Temperature

Room temperature

Specimen Stability

Room temperature: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable

Methodology
In-Situ Hybridization (ISH)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon-Fri; Report available: 2 days

Reference Range

See Laboratory Report

Clinical Significance

An atypical ratio of kappa to lambda expressing cells, or a non-random distribution of these cells, is indicative of a possible neoplasia of the kappa or lambda expressing cells.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

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.