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Alternate Test Names:
Collagen Type IV
Identifies: Type IV collagen localizes to the lamina lucida of basal lamina; antibodies to type IV collagen can aid in the identification of the subset of sarcomas/soft tissue tumors that express basement membrane (e.g., nerve sheath tumors, smooth muscle tumors, etc.).
Subcellular Localization: Cytoplasmic
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
• 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