ARDMS SPI Complete Exam Guide
Eligibility, registration, format, and current policies
The ARDMS SPI exam is administered by American Registry for Diagnostic Medical Sonography (ARDMS). Use this guide as an orientation, then confirm every time-sensitive requirement in the official candidate materials linked below.
Key Facts
| Examination | Sonography Principles and Instrumentation (SPI) |
|---|---|
| Focus | Ultrasound physics, instrumentation, Doppler, image optimization, transducers, and safety |
| Current Outline | ARDMS SPI Examination Content Outline version 24.1 |
| Preparation Basis | Use the current ARDMS examination page, prerequisite information, and content outline |
Eligibility and Application
Review the official eligibility rules before purchasing an exam appointment. Document your education, license or registration, and required experience exactly as American Registry for Diagnostic Medical Sonography (ARDMS) requests.
Registration, Testing, and Cost
Use the official registration portal for the current application process, fees, testing windows, scheduling rules, accommodations, and identification requirements. These details can change, so the official source controls.
Scoring, Retakes, and Renewal
Consult the current candidate handbook for score reporting, passing standards, retake waiting periods, renewal cycles, and continuing-education requirements. Do not rely on an older third-party summary for a current policy decision.