- CPT categories: Category I (5 digits), II (ends in F), III (ends in T)
- E/M: office visits are leveled by medical decision making or total time
- Modifiers: 25, 26, TC, 50, 51, 59 and more
- ICD-10-CM: Excludes1 vs. Excludes2, 7th characters, placeholder X, outpatient uncertain diagnoses
- HCPCS Level II: supplies, DME and J-code drugs
- Compliance: NCCI edits, unbundling, upcoding, HIPAA
USA CPC Exam: Quick Facts
- Credential
- CPC (Certified Professional Coder)
- Organization
- AAPC
- Questions
- 100 multiple-choice
- Passing score
- 70%
- Books allowed
- Approved CPT, ICD-10-CM, HCPCS manuals
- Cost (2026)
- ~$399 member / $499 non-member
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