CPC – Certified Professional Coder vs RDMS – Registered Diagnostic Medical Sonographer
| Factor | ✅ CPC – Certified Professional Coder | RDMS – Registered Diagnostic Medical Sonographer |
|---|---|---|
| Vendor | AAPC | ARDMS |
| Level | Intermediate | Intermediate |
| Exam Cost | $299–$399 | $250–$300 per exam |
| Pass Rate | ~70% | ~72% |
| Avg Salary | $55K–$80K | $65K–$95K |
| Difficulty |
Moderate
★★★☆☆
|
Moderate
★★★☆☆
|
| Best For | Medical coders, billing specialists, and health information professionals. | Diagnostic medical sonographers and imaging technologists in hospital or clinic … |
| Expiry | Typically 3 years — renewal at aapc.com | Check ardms.org |
| Full Guide | View guide → | View guide → |
Which Should You Choose?
The right certification depends on your current role, target employer, geography, and the specific skills gap you're trying to close. Here's a practical breakdown:
✅ Choose CPC – Certified Professional Coder if…
You're targeting roles at organisations that specifically require AAPC credentials, or you're already working within the AAPC ecosystem. The CPC – Certified Professional Coder carries the strongest recognition among AAPC customers and partners, and its salary premium of $55K–$80K is well-documented in the job market.
Full Guide →Consider RDMS – Registered Diagnostic Medical Sonographer if…
You're targeting organisations in the ARDMS ecosystem, or the RDMS – Registered Diagnostic Medical Sonographer is more commonly required in your target industry or geography. Salary data: $65K–$95K. Issued by ARDMS (ardms.org). RDMS is the gold standard credential for ultrasound technologists. Requ…
Full Guide →Detailed Analysis — CPC – Certified Professional Coder
Strengths
- ✓Issued by AAPC — one of the most trusted credential authorities in Medical
- ✓Salary premium of $55K–$80K documented across multiple independent sources
- ✓Exam fee of $299–$399 — strong ROI relative to salary gain
- ✓Global recognition at enterprise employers, government agencies, and consulting firms
- ✓Covers 7 core domains including: ICD-10-CM Diagnosis Coding, CPT Procedure Coding, HCPCS Level II
Considerations
- ◆Pass rate is approximately ~70% — structured preparation is essential, not optional
- ◆Mid-level — assumes foundational domain knowledge
- ◆Renewal required — check current requirements at aapc.com
Made your decision? Start your preparation today.
CPC – Certified Professional Coder Full Guide → Study Roadmap → Salary Data →