Gluten-Free is on the menu, but the same kitchen also prepares what you avoid, so cross-contamination is possible. Tell staff what you react to, and ask how your dish is prepared before you order.
The Sushi Samurai in Queen Anne, Seattle is a fully plant-based sushi restaurant with vegan versions of salmon, tuna, shrimp and krab. It keeps a section of gluten-free rolls and offers gluten-free tamari, but says cross-contamination may occur and that some dishes contain peanuts. Tell your server about your allergy; the kitchen has the final word.