The Sonography Principles and Instrumentation (SPI) exam is a prerequisite required before earning any ARDMS credential. It is not a standalone credential but must be passed alongside a specialty exam.
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Sonography Principles and Instrumentation
🏅 Professional Credential
Credential Overview
Specialties Requiring This Credential
This credential qualifies sonographers to practice across multiple specialty areas. Browse all specialties →
🏅 Credential Details
Type: Professional Certification
Registry: ARDMS / CCI
Renewal: Continuing Education Required
🎓 Earn This Credential
Find accredited programs that prepare you for this certification exam.