Claims cross the scope one at a time and you have thirty seconds each: pass it or flag it, then say what is wrong. Passing a clean claim scores exactly as much as catching a dirty one — because in real auditing, flagging everything is its own kind of wrong, and knowing when to leave a claim alone is half the skill.
Every code that appears here has a full reference page on this site — descriptions, inclusion terms, Excludes1/Excludes2 notes, and crosswalks. Look one up →
Study aid only — not coding, billing, legal, or medical advice. Verify every code against the current official code set and your payer’s policy before billing.
Scores are submitted by players and shown as entered. Play a round to add yours.
Give it a heart so other coders can find it, and send it to someone on your team who needs the practice.




