Lesson 1
What’s Wrong With You?
Medical Coding Fundamentals, Lesson 1: What ICD-10-CM is, where it came from, and why every diagnosis needs a code.
Course
Medical Coding 101
ICD-10-CM fundamentals: how diagnosis codes are built, why specificity matters, and how a chart note becomes a code. Free to read. Sign in to take the quizzes and save your progress.
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The syllabus
Lesson 2
How Specific Can You Get?
Laterality, episode of care, placeholder X’s, and why the system demands a level of precision that the record often fails to capture.
More lessons are on the way—this syllabus will grow.