Denial Codes
Explore our comprehensive library of denial codes, covering the most common reasons insurance claims are rejected or delayed. This resource is designed to help healthcare professionals identify, understand, and address claim denials efficiently—supporting faster resolution, accurate resubmission, and improved reimbursement outcomes.
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CodingPR-51 Denial Code: Pre-existing Condition
Discover essential insights on the PR-51 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-40 Denial Code: Emergent/Urgent Care Qualifications Unmet
Discover essential insights on the PR-40 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-129 Denial Code: Incorrect Prior Processing Information
Discover essential insights on the CO-129 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-100 Denial Code: Direct Payment Made
Discover essential insights on the PR-100 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-272 Denial Code: Coverage or Program Guidelines Not Met
Discover essential insights on the PR-272 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-183 Denial Code: Provider Ineligible to Refer Service
Discover essential insights on the CO-183 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-19 Denial Code: Worker's Comp Potentially Responsible
Discover essential insights on the PR-19 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-32 Denial Code: Patient Ineligible as Dependent
Discover essential insights on the PR-32 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-6 Denial Code: Age Doesn't Match Procedure/Revenue Code
Discover essential insights on the CO-6 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingB10 Denial Code: Allowed Amount Reduced
Discover essential insights on the B10 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-246 Denial Code: Non-Payable - Reporting Purposes
Discover essential insights on the CO-246 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-177 Denial Code: Eligibility Requirements Not Met
Discover essential insights on the PR-177 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-58 Denial Code: Inappropriate/Invalid Place of Service
Discover essential insights on the CO-58 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-185 Denial Code: Provider Ineligible to Perform Service
Discover essential insights on the CO-185 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-18 Denial Code: Duplicate Claim/Service
Discover essential insights on the CO-18 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingB-16 Denial Code: New Patient Qualifications Not Met
Discover essential insights on the B-16 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-131 Denial Code: Negotiated Discount
Discover essential insights on the CO-131 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-1 Denial Code: Patient Responsible - Deductible Amount
Discover essential insights on the PR-1 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingB-11 Denial Code: Claim Transferred To Another Payer
Discover essential insights on the B-11 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-3 Denial Code: Patient Responsible - Copayment Amount
Discover essential insights on the PR-3 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-288 Denial Code: Referral Missing
Discover essential insights on the CO-288 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-2 Denial Code: Patient Responsible – Coinsurance Amount
Discover essential insights on the PR-2 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-242 Denial Code: Services Not Provided by Network or Primary Care Providers
PR-242 means the plan wouldn't pay because the care came from outside its network or without the primary care provider the plan requires. The patient owes it.
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CodingCO-11 Denial Code: Diagnosis/Procedure Mismatch
Discover essential insights on the CO-11 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-256 Denial Code: Not Payable Under a Managed Care Contract
Discover essential insights on the CO-256 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-227 Denial Code: Missing or Incomplete Information
Discover essential insights on the PR-227 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-226 Denial Code: Invalid or Missing Required Information
Discover essential insights on the CO-226 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-24 Denial Code: Charges Covered By Capitation Agreement
Discover essential insights on the CO-24 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-234 Denial Code: Procedure Not Separately Payable
Discover essential insights on the CO-234 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingPR-27 Denial Code: Patient Responsible - Coverage Terminated
Discover essential insights on the PR-27 Denial Code code for health professionals. Enhance your practice and navigate billing with confidence.
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CodingCO-252 Denial Code: Missing Documentation or Attachments
CO-252 means the payer needs an attachment or other documentation before it can decide the claim. The remark code next to it says which document to send.
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CodingCO-45 Denial Code: Charge Exceeds Contracted Amount
CO-45 is the contractual write-off: the part of your charge above the payer's allowed amount. It's rarely a denial, and you can't bill the client for it.