ARUP's Laboratory Test Directory

Gastrointestinal Stromal Tumor Mutation : 2002674
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Additional Technical Information
  


Mnemonic: GIST MUT

Methodology: Polymerase Chain Reaction/Sequencing
Performed: Varies
Reported: 10-12 days
Specimen Required: Collect: Tumor tissue.

Specimen Preparation: Formalin fix (10 percent neutral buffered formalin) and paraffin embed tissue. Protect from excessive heat. Transport tissue block or 5 unstained 5-micron slides. (Min: 3 slides). Tissue block will be returned after testing.
Transport block and/or slide(s) in a tissue transport kit (ARUP supply #47808) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.

Storage/Transport Temperature: Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.

Remarks: Include surgical pathology report.

Unacceptable Conditions: Less than 25 percent tumor. Specimens fixed/processed in alternative fixatives (alcohol, Prefer®) or heavy metal fixatives. Decalcified specimens.

Stability (collection to initiation of testing): Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
Reference Interval:
By report
Interpretive Data: Refer to report

See Compliance Statement B: www.aruplab.com/CS
CPT Code(s): 88381, 81404 (2), G0452
Cross References: c-KIT (Gastrointestinal Stromal Tumor Mutation), c-kit Mutation Analysis in Gastrointestinal Stromal Tumors (GISTs) (Gastrointestinal Stromal Tumor Mutation) , CD117 (Gastrointestinal Stromal Tumor Mutation), cKIT (Gastrointestinal Stromal Tumor Mutation), GIST Mutation (Gastrointestinal Stromal Tumor Mutation), KIT (Gastrointestinal Stromal Tumor Mutation), PDGFRA Mutation in Gastrointestinal Stromal Tumors (GISTs) (Gastrointestinal Stromal Tumor Mutation)