Denial Code Deep Dive: CO-16
The most-worked denial code in the revenue cycle
Why CO-16 volume never shrinks, and what it takes to change that.
This is the first in a five-part series examining the codes driving nearly half of all denials. Across an analysis of more than 70,000 denied claims, CO-16 leads that list, sorting into eight distinct root cause families, each owned by a different team and each fixed a different way.
What you will learn:
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The eight root cause families behind CO-16
Share of volume and owning team for each one
Why one code pulls in seven functions
The diagnostic question to ask before resubmitting
How AI and process improvements can help reduce recurrence of this code, for good