Gastrointestinal Stromal Tumor Mutation : ARUP Lab Tests

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Gastrointestinal Stromal Tumor Mutation : 2002674

Mnemonic: GIST MUT

Methodology:	Polymerase Chain Reaction/High Resolution Melt Analysis
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 f(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)

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