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St. John Health System
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PD-L1 28-8 pharmDx by IHC w/Interp, nivolumab (OPDIVO)

Order Name PD-L1 28-8 IHC
Test Number: 6906285
Revision Date 05/07/2024
Test Name Methodology LOINC Code
PD-L1 28-8 pharmDx by IHC w/Interp, nivolumab (OPDIVO)
Immunohistochemistry  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred Tumor Tissue Paraffin Block Room Temperature
Instructions Notes: Three unstained tissue slides
Specimen Type: Tissue block or slide
Specimen Storage: Room temperature.
Specimen Collection: Tissue should be fixed in 10% neutral buffered formalin for no more than 72 hours. Embed in paraffin.
Special Instructions: NOTE: This test number is used for tracking oncology IHC specimens to the laboratory. Bill codes will be added when testing is complete, based on the processes performed in the laboratory.
Causes for Rejection: Insufficient tissue; tumor other than non-small-cell lung cancer.
 
GENERAL INFORMATION
Expected TAT 5-9 days 
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Reference Lab