ARUP's Laboratory Test Directory

Kappa/Lambda Light Chain Panel by in situ Hybridization, Paraffin : 2002888

Mnemonic: K/L ISH

Methodology: In situ Hybridization
Performed: Mon-Fri
Reported: 2-5 days
Specimen Required: Collect: Tissue.

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.

Remarks: Include surgical pathology report.

Unacceptable Conditions: Specimens fixed or processed in alternative fixatives (alcohol, Prefer®) or heavy metal fixatives (B-4 or B-5). Frozen specimens.

Stability (collection to initiation of testing): 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.

See Compliance Statement A: www.aruplab.com/CS
CPT Code(s): 88365 x2
Cross References: K/L ISH (Kappa/Lambda Light Chain Panel by in situ Hybridization, Paraffin), Kappa and Lambda ISH (Kappa/Lambda Light Chain Panel by in situ Hybridization, Paraffin), Kappa and Lambda mRNA Probes (Kappa/Lambda Light Chain Panel by in situ Hybridization, Paraffin)