Date of service predates patient eligibility
Reviewed by
Medical Billing Compliance Team
Healthcare Revenue Cycle and Claims Processing Specialists
Last reviewed: February 5, 2026
📋 Official X12 Definition
RARC N68: Date of service predates patient eligibility. This remittance advice remark code is maintained by X12 as part of the standardized code set for providing supplemental information about claim adjustments.
💬 What This Means (Plain English)
This remark code provides additional context: date of service predates patient eligibility. RARC codes are used alongside CARC codes to give you more detailed information about claim processing.
📖 Detailed Explanation
RARC Code N68 (Date of service predates patient eligibility) is a Remittance Advice Remark Code maintained by X12 as part of the standardized code set required for HIPAA-compliant electronic healthcare transactions. While CARC (Claim Adjustment Reason Codes) explain WHY a claim was adjusted, RARC codes provide supplemental information about HOW to resolve issues, what actions to take, or alert you to important processing details. This code provides supplemental context that helps explain the claim Processing outcome. RARC codes appear on your Electronic Remittance Advice (ERA) and Explanation of Benefits (EOB) alongside the primary CARC codes to give you a complete picture of how and why the claim was adjudicated.
🔍 Common Causes
- Specific payer policy or guideline applied
- Claim requires additional review or documentation
- Standard processing procedure notification
- Follow-up action recommended by payer
- Contextual information about claim adjudication
✅ Step-by-Step Solution
Review Context
Read this RARC code in conjunction with the associated CARC codes to understand the complete claim processing outcome.
Identify Action Items
Determine if any corrective action is needed based on this supplemental information.
Contact Payer if Unclear
If the meaning or required action is unclear, contact the payer's provider services line for clarification.
Document for Reference
Keep notes about this code and its context for future similar situations.
📋 Evidence & Documentation Checklist
📞 Insurance Company Call Script
Use these specific questions when contacting the payer:
- I'm calling regarding claim [CLAIM NUMBER] which received RARC code N68: Date of service predates patient eligibility. Can you provide additional context?
- Can you explain exactly what this remark code means in the context of this specific claim?
- What specific action, if any, do I need to take to resolve this?
- Is there additional documentation or information you need from me?
- What is the timeframe for any required response or action?
- Can you provide written clarification or send me a reference to the policy this code relates to?
- Is there a reference number for this call I can document?
🛡️ Prevention Tips
- Review all RARC codes on remittance advice, not just CARC codes
- Keep an updated reference guide of common RARC codes
- Train billing staff to understand RARC vs. CARC differences
- Document learnings from RARC codes to improve future submissions
❓ Frequently Asked Questions
What does RARC code N68 mean?
This remark code provides additional context: date of service predates patient eligibility. RARC codes are used alongside CARC codes to give you more detailed information about claim processing.
What should I do when I receive RARC N68?
Review Context: Read this RARC code in conjunction with the associated CARC codes to understand the complete claim processing outcome.
How can I prevent RARC N68 in the future?
Key prevention strategies include: Review all RARC codes on remittance advice, not just CARC codes; Keep an updated reference guide of common RARC codes; Train billing staff to understand RARC vs. CARC differences.
What are common causes of RARC N68?
Common causes include: Specific payer policy or guideline applied; Claim requires additional review or documentation; Standard processing procedure notification.
Sources & Attribution
- X12 External Code List - RARC (Remittance Advice Remark Codes) Version 34.0
- CMS Remittance Advice Remark Code (RARC) List
- CAQH CORE Operating Rules for Healthcare Claims
- HIPAA Transaction Standards - ASC X12N 835
Last Updated: July 1, 2025
Update Cycle: Quarterly (March, July, November)
⚠️ Important Disclaimer
This information is provided for educational purposes only and should not be considered medical, billing, or legal advice. Always verify code interpretations with the specific payer and consult with qualified billing professionals. Code definitions, policies, and payer-specific guidelines may vary and are subject to change without notice. For the most current information, always refer to the latest X12 External Code List and payer-specific policies.