An Internal Control Number (ICN) is a unique 13-digit identifier assigned to healthcare claims during processing. It acts as a digital fingerprint, enabling providers and payers (like Medicare) to track claims, resolve disputes, and ensure accurate reimbursement.
ICNs are structured to encode critical details:
Example: ICN 2411123456789 = 2024 claim, professional type, processed by MAC “112”.
ICN | DCN |
Tracks claim only | Tracks all documents (claims, attachments, appeals) |
Assigned at claim submission | Generated for any system entry (e.g., appeals, corrections) |
Critical for reimbursement | Used for broader record-keeping |
For VA-related claims, a Veteran Internal Control Number is used to track veteran-specific medical billing. It follows the same principles as standard ICNs but links to VA funding systems for seamless reimbursement.
No—ICNs remain active indefinitely for audit purposes.
Contact the payer immediately; claims without ICNs risk delays or denials.
Most do, but formats vary. Always confirm with the payer’s guidelines.
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We are a team of national medical billing service experts based in Astoria, NY, committed to providing ongoing value to our customers. We leverage technology and implement best practices to provide high-quality and cost-efficient medical billing solutions from domestic locations, enabling customers to achieve their business goals. Cures Medical Billing is the best option for any medical billing needs.
Medical billing around Astoria, NY, and beyond is our core competency and our specialists will efficiently manage all your billing needs. Our medical billing specialists have over 12 Plus years of experience with all security technologies to ensure data integrity for our customers. Using our medical billing service, anyone can make their medical billing task less resource-consuming.
Discover Cures Medical Billing Services Across Different States
FL
NY
ML
CO
NJ
AZ
TX
CA
WA
We are a team of national medical billing service experts based in Astoria, NY, committed to providing ongoing value to our customers. We leverage technology and implement best practices to provide high-quality and cost-efficient medical billing solutions from domestic locations, enabling customers to achieve their business goals. Cures Medical Billing is the best option for any medical billing needs.
Medical billing around Astoria, NY, and beyond is our core competency and our specialists will efficiently manage all your billing needs. Our medical billing specialists have over 12 Plus years of experience with all security technologies to ensure data integrity for our customers. Using our medical billing service, anyone can make their medical billing task less resource-consuming.
Health services billing effortlessly with Cures MB. Our skilled professionals are dedicated to ensuring financial success through transparent and secure practices. Trust Cures MB for precise and careful handling of all your billing needs.
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