|
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
PD-L1 22C3 FDA (KEYTRUDA) for Gastric/GEA
MessagePD-L1 IHC 22C3 pharmDx is a qualitative immunohistochemical assay using Monoclonal Mouse Anti-PD-L1, Clone 22C3 intended for use in the detection of PD-L1 protein in formalin-fixed, paraffin-embedded (FFPE) gastric or gastroesophageal junction adenocarcinoma (GEJ, GEA) tissue using EnVision FLEX visualization system on Autostainer Link 48. PD-L1 IHC 22C3 pharmDx is indicated as an aid in identifying patients with metastatic gastric or GEJ cancer for treatment with KEYTRUDA® (pembrolizumab).
Test Code
LAB5993
Alias/See Also
3546XHSG
CPT Codes
88360
Preferred Specimen
- A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type
or - One (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 microns) for each test/antibody ordered
- Block and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
- For PD-L1 22C3 evaluation, tissue submitted must have ≥100 viable tumor cells present.
Instructions
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.
Methodology
Immunohistochemistry (IHC)
Report Available
48 hrs
