CO-151 Denial Code
What it means
The insurer thinks you received this service too often, so it won't pay for the extra.
Why it happens
Frequency exceeded the plan's limit, or documentation didn't justify the number of services.
What to do
Have your provider supply records showing why the frequency was medically necessary, then appeal.
Can you appeal it?
Yes, with supporting documentation.
Official description
Payer deems the information does not support this many/frequency of services.
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