Kappa/Lambda Light Chain, ISH without Interpretation

Test Code

18854

CPT Codes
88365, 88364

Preferred Specimen

Formalin-fixed paraffin embedded tissue in an IHC specimen transport kit

Other Acceptable Specimens

Unstained charged(+) slides (x8)

Transport Temperature

Room temperature

Specimen Stability

Room temperature: Indefinite
Refrigerated: Indefinite
Frozen: Do not freeze

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

A.M.

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.

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.