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LABORATORY TEST DIRECTORY

PIK3CA Mutation Detection

CPT Code(s): 88381; 81404
Specimen Required: Patient Preparation:
Collect:Tumor tissue.
Specimen Preparation:Formalin fix (10 percent neutral buffered formalin) and paraffin embed tissue. Protect from excessive heat. Transport block or 5 unstained 5 micron slides. (Min: 3 slides) Transport block and/or slide(s) in a tissue transport kit (RDL supply # 47808) available online through eSupply using RDL Connectâ„¢or contact RDL Client Services at (888) 431-7474.
Storage/Transport Temperature:Room temperature or refrigerated. Ship in cooled container during summer months.
Stability:Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • anti-EGFR therapy resistancePIK3PIK3CAPIK3CA exons 9, 20