CO-64 Denial Code Explained
CO-64 is a medical billing denial code that indicates the claim was denied because the service exceeded payer benefit limitations or allowable reimbursement guidelines.
DENIAL CODE
3/7/20221 min read
CO-64 Denial Code Explained
CO-64 is a medical billing denial code that indicates the claim was denied because the service exceeded payer benefit limitations or allowable reimbursement guidelines.
What Does CO-64 Mean?
The CO-64 denial code means the insurance payer determined the billed treatment exceeded allowable policy limitations or reimbursement restrictions.
This denial is often related to utilization limits or benefit maximums.
Common Reasons for CO-64
Exceeded treatment frequency limits
Benefit maximum reached
Coverage limitation issues
Repetitive services
Annual service maximums
Payer utilization restrictions
How To Fix CO-64
Review the patient’s insurance benefits and confirm allowable treatment limits before resubmitting the claim. Medical necessity documentation may support reimbursement appeals when additional treatment was required.
Related Denial Codes
You may also encounter:
Quick Summary
CO-64 indicates the payer determined the billed services exceeded policy benefit limitations or reimbursement restrictions. Most denials are related to utilization or coverage limitations.
Medical billing denial codes, insurance prefixes, and claim guidance in one searchable resource hub.
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