BACKGROUND: Accurate tissue typing in amyloidosis is essential to provide appropriate therapy for individual patients. OBJECTIVE: To get a real-life overview of typing strategies worldwide. METHODS: The International Society of Amyloidosis (ISA) performed an online questionnaire survey among ISA members. We prepared questionnaire sheets for referral institutions (Category 1
C1), institutions performing amyloid typing for internal requests only (C2), and institutions outsourcing amyloid typing to referral institutions (C3), respectively. RESULTS: Seventy-six institutions participated in this survey, including C1 ( CONCLUSION: These data provide an assessment of the current state, enabling improvement in capabilities of amyloid typing worldwide and enhancing regional/international networks.