We are proud to announce that PhenoPath is now a Quest Diagnostics Company.

DOG1 pin



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 (reference only; CPTs may vary)

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