ARUP's Laboratory Test Directory

Gastrointestinal Stromal Tumor Mutation : 2002674

Mnemonic: GIST MUT

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

Specimen Preparation: Formalin fix and paraffin embed tissue. Protect from excessive heat. Transport tissue block or 6 unstained 5 microns slides. (Min: 4 slides)

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

Remarks: Include surgical pathology report. Only tissue that is clearly tumor (established by histological criteria) should be tested.

Unacceptable Conditions: Specimens fixed/processed in alternative fixatives (alcohol, Prefer®).

Stability (collection to initiation of testing): Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Reference Interval:
By report
Interpretive Data: Refer to report

Refer to Statement B under Testing Information at http://www.aruplab.com.
CPT Code(s): 88381 Microdissection; 83907 Lysis; 83898 x2 Amplification; if additional exons are required, add 83898 Amplification times number of exons tested; 83912 Interpretation and report - Additional CPT code modifiers may be required for procedures performed to test for oncologic or inherited disorders.
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)
 
 

 

 

 
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