- Denial Code 1: Deductible Amount in Health Insurance: A Complete Beginner’s Guide
- Denial Code 4: Procedure Code Inconsistent with Modifier/ required Modifier Missing: A Complete Guide for Medical Billing Professionals
- Denial Code 5: Procedure Code/Type of Bill Inconsistent with Place of Service: A Complete Guide
- Denial Code 6: Procedure Code Inconsistent with Patient’s Age: A Complete Guide to Handling Denials
- Denial Code 7: Procedure/Revenue Code Denial Due to Gender Mismatch: A Complete Guide
- Denial Code 8: Procedure Code Inconsistent with Provider Type/Specialty: A Complete Guide for Medical Billing
- Denial Code 9: Diagnosis Code Denial Due to Patient Age: Complete Guide for Medical Billing Teams
- Denial Code 10: Diagnosis Code Inconsistent with Patient’s Gender: Complete Guide for Medical Billing Professionals
- Denial Code 11: Diagnosis Inconsistent with Procedure: Complete Guide to Handling Denials in Medical Billing
- Claim Denial Code 13: “Date of Death Precedes Date of Service” – Complete Guide for Beginners
- Denial Code 16: Claim Denied Due to Missing Information or Billing Errors: A Complete Beginner’s Guide
- Denial Code 18: Exact Duplicate Claim Denial: A Complete Beginner’s Guide
- Denial Code 19: Worker’s Compensation Denial in Medical Billing: A Beginner-Friendly Guide
- Denial Code 20: Liability Carrier Denials in Medical Billing: A Complete Beginner’s Guide
- Denial Code 21: No-Fault Insurance Denials: How to Handle “Liability of the No-Fault Carrier” Claims
- Claim Denial Code 22: “This Care May Be Covered by Another Payer” — A Complete Guide for Beginners
- Denial Code 23 Explained: Understanding the Impact of Prior Payer Adjudication
- Denial Code 24: Charges Covered Under a Capitation Agreement / Managed Care Plan
- Denial Code 26 & 27: Expenses Outside Coverage Period
- Denial Code 29: Time Limit for Filing Has Expired (TFL)
- Patient Cannot Be Identified (Denial Code 31): A Complete Guide for Beginners
- How to Work on Denial Code 45 (CO-45 & PR-45): A Beginner-Friendly Guide
- Denial Code 49: Routine/Preventive Services Not Covered
- Denial Code 50: Understanding “Medical Necessity” Denials in Medical Billing: A Complete Guide
- Denial Code 51: Pre-Existing Condition Denials in Health Insurance: A Complete Beginner’s Guide
- Denial Code 55: Procedure/Treatment/Drug Denied as Experimental or Investigational: A Complete Guide for Medical Billing Professionals
- Denial Code 58: Handling Invalid Place of Service (POS) in Medical Billing
- Denial Code 96: Non-Covered Charges in Medical Billing: A Complete Beginner’s Guide
- Denial Code 97: Bundled or Inclusive Services in Medical Billing
- Denial Code 100: Payment Made to Patient – A Complete Beginner’s Guide
- Denial Code 109 Explained: How to Handle “Claim Not Covered by This Payer”
- Denial Code 119: Benefit Maximum Reached — Complete Guide for Beginners
- How to Work on Denial Code 129 (Prior Processing Information Appears Incorrect)
- Denial Code 140: Patient/Insured Identification Mismatch – Complete Guide for Beginners
- Diagnosis Invalid for Date of Service: Complete Guide to Handling Denial Code 146
- Denial Code 150: “Payer Deems the Information Does Not Support This Level of Service”
- CARC 151 Denial: Payment Adjusted Due to Frequency or Quantity Limits
- Denial Code 163: Missing Attachment or Documentation in Medical Claims
- Denial Code 181: Procedure Code Invalid on Date of Service: Complete Guide for Medical Billing Professionals
- Denial Code 182: Procedure Modifier Was Invalid on the Date of Service: A Complete Guide for Medical Billing
- Denial Code 183: Referring Provider Not Eligible – Complete Guide for Beginners
- Denial Code 185: Rendering Provider Not Eligible – Complete Guide for Beginners
- Denial Code 197: Precertification / Authorization / Notification Missing – A Complete Guide
- Revenue Code and Procedure Code Do Not Match (Denial Code 199): Complete Guide for Beginners
- Denial Code 226 in Medical Billing: A Complete Guide for Beginners
- Denial Code 227: Information Requested from Patient Was Not Provided or Incomplete
- Denial Code 234: Procedure Not Paid Separately: Complete Guide to Handling Denials (Medical Billing)
- Denial Code 236: Understanding Procedure Incompatibility in Medical Billing
- Denial Code 242: Services Not Provided by Network/Primary Care Providers (Out-of-Network) – A Complete Guide
- Referral Absent (Denial Code 288): A Complete Beginner’s GuideReferral absent denial code 288 in medical billing due to missing referralReferral Absent (Denial Code 288): A Complete Beginner’s Guide
- MA04 Denial Code Explained: How to Handle Missing Primary Insurance Information
- B7 Denial Code Explained: Provider Not Eligible on Date of Service
- Patient Enrolled in Hospice (B9 Denial): Complete Guide for Medical Billing Professionals
- B20 Denial Code Explained: “Service Furnished by Another Provider”
- M119 Denial: Missing, Invalid, or Incomplete NDC Code – A Complete Beginner’s Guide
- MA120 Denial: Missing, Incomplete, or Invalid CLIA Certification Number — Complete Guide
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