Certified Outpatient Coding (COC) The COC credential focuses exclusively on ambulatory settings where most American healthcare encounters occur—a narrower scope than the CPC, which spans all environments. This specialization means deeper immersion in outpatient-specific code selection, modifier rules, and compliance issues that inpatient coders rarely face, making it the sharper choice for coders committed to clinic and surgery center mastery.
| Exam Name | Certified Outpatient Coding |
| Exam Code | COC |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
