Allied health test prep
Pass your certification exam on the first try.
Study guides and realistic online exam simulators for medical billing, coding, and medical assisting certifications. Every practice question comes with a full rationale — so you learn the why, not just the answer.
Our study guides
One certification at a time, built the same way: plain-English lessons, exam-format practice, and an online simulator included with the book.
Medical Billing & Coding Study Guide
Certified Professional Coder
A complete CPC study guide built around the 4-Hour Exam-Day Strategy, with an exclusive online exam simulator: 700 practice questions and 7 full-length timed mocks in the real exam format.
Coming soon
CPB Study Guide
Certified Professional Biller
The billing-side companion to the CPC: claims lifecycle, payer rules, denials and appeals, with the same simulator-driven practice system.
In development
CMAA Study Guide
Certified Medical Administrative Assistant
Front-office essentials for the NHA CMAA exam: scheduling, patient intake, billing basics, and compliance — explained in plain English.
In development
Practice like it's exam day
Our CPC Exam Simulator gives you 700 exam-style questions, 7 full-length timed mock exams in the real 100-question / 4-hour CPC format, plus topic drills. Every answer comes with a rationale.
Explore the simulators700
exam-style questions
7
full-length mock exams
100%
answers with rationales
From the blog
July 4, 2026
Open book doesn't mean easy: how to prep your code books for the CPC exam
Your CPT, ICD-10-CM, and HCPCS manuals are allowed in the exam room. Here's how to tab, mark, and drill with them so they save you time instead of costing it.
July 2, 2026
How hard is the CPC exam, really?
100 questions, 4 hours, open code books. An honest look at what makes the CPC exam difficult, and what makes it very passable with the right preparation.
July 1, 2026
CPC vs CPB: which AAPC certification should you get first?
Both come from the AAPC, both open doors in medical billing and coding, but they test different jobs. Here's how to pick the right one for your situation.
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