Kappa/Lambda Light Chain Panel by in situ Hybridization, Paraffin
Ordering Recommendation
In situ Hybridization
2-5 days  
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Specimen Preparation
Formalin fix (10% neutral buffered formalin) and paraffin-embed tissue. Transport tissue block or 10 unstained 5 micron slides in a tissue transport kit (ARUP supply #47808). Available online through eSupply using ARUP ConnectTM or contact ARUP Client Services at (800) 522-2787. (Min: 5 slides) Protect paraffin block and/or slides from excessive heat.  
Storage/Transport Temperature
Room temperature or refrigerated. Ship in cooled container during summer months.  
Unacceptable Conditions
Specimens fixed or processed in alternative fixatives (alcohol, Prefer®) or heavy metal fixatives (B-4 or B-5). Frozen specimens.  
Include surgical pathology report.  
Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable  
Reference Interval
Available Separately Test Name Reference Interval
No Kappa by in situ Hybridization, Paraffin By report
No Lambda by in situ Hybridization, Paraffin By report
No Kappa/Lambda Ratio 0.5-​5.0
Interpretive Data
Refer to report.

Compliance Statement A: Analyte specific reagents (ASR) are used in many laboratory tests necessary for standard medical care and generally do not require U.S. Food and Drug Administration (FDA) approval or clearance. This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. This test should not be regarded as investigational or for research use.
CPT Code(s)
88368; 88369
Component Test Code*Component Chart NameLOINC
2002887Kappa/Lambda ISH Comment 
2002999ISH Tissue Source31208-2
2003000ISH Reference Number30896-5
2003001H and E Slide Description19772-3
2003218Kappa/Lambda ISH Clonality 
2003219Kappa/Lambda ISH Ratio 
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
  • K/L ISH
  • Kappa and Lambda ISH
  • Kappa and Lambda mRNA Probes