DOG1 pin



Alternate Test Names:

Methodology: IHC

Clinical Significance:
Identifies DOG1, a novel marker of gastrointestinal stromal tumors (GISTs), and complements other markers such as c-kit (CD117). DOG1 is expressed in a significant subset of c-kit-negative GISTs.

Subcellular Localization: Cytoplasmic and membranous

Organ: Colon & Other GI

Disease State: Spindle Cell Tumors / Sarcoma Subtyping

CPT Code(s): 88342 or 88341

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR -
• 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm

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