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ASC Coding 

Expert services for all specialties and procedures

Full-service ASC coding from professionals who support cleaner claims for quicker reimbursements.

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Coding for ASCs

Complex ASC Coding Made Easier

Experience fewer denials and quicker turnaround times with instant access to your OpNotes and coding summary for each case.

Precision Coding Built to Keep Pace With Your ASC

Scalable, highly efficient coding that reduces A/R and cuts denials for healthier ASC revenue cycles.

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96%+ Coding Accuracy

Our certified ASC-specific coding experts deliver above industry-standard coding accuracy, verified through quarterly third-party coding audits.

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48-Hour Turnaround Times or Less

Send us your OpNotes and get back compliant coding within 48 hours to support faster claims submission, quicker payments, and lower days in A/R days.

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Knowledgeable Coders

Your account is handled by certified coding professionals with education and experience in your ASC's specific procedures and surgical specialties.

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Improved Compliance

Coders are current on the latest rules and guidelines, making sure that services secure appropriate reimbursements and avoid delays and penalties.

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Improved Compliance

Right-Sized Services

Get the level of coding support and services that empower your ASC’s growth, boosts efficiency, and adapts as your surgery center changes and expands.

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Right-sized services

Our clients experience results like:

+ %

monthly revenue increase

%

cash to net revenue

%

reduction in AR days

Our Commitment to Your ASC's Success 

Your ASC deserves more than just coding — it needs a dedicated partner. See how SIS delivers reliable service, peace of mind, and a hard-working team you can trust. 

Credentialed Coders

Credentialed Coders

Every SIS coder is certified and specializes in ASC coding, bringing unmatched reliability and performance to maximize your center’s revenue, minimize risk, and support long-term success.

Concierge Support

Concierge Support

With SIS, you get more than service — you get white-glove attention and assistance, fast response times, and a client-focused team that knows your ASC coding needs inside and out.

Internal Quality Audits

Internal Quality Audits

Quality assurance is built into everything we do. Our regular internal audits serve to ensure coding accuracy, compliance, and consistency, so you can have greater confidence in the integrity of every claim.

SIS Success Stories

Gramercy Surgery Center

"SIS is always responsive to our questions and requests, and we feel they are genuinely invested in our success. SIS Complete has proven to be the right solution for us, and SIS is the right partner."

⎯ Austin Cheng, Chief Executive Officer, Gramercy Surgery Center Read the Story
St. Mark’s Surgical Center

"Our entire surgery center has been revitalized with our implementation of SIS Office. Everything is organized and streamlined. We collect 80% of payments prior to surgery, and we submit insurance claims typically within four hours of the case being completed."

⎯ Shellie Rivera, RN, Administrator, St. Mark's Surgical Center Read the Story
Specialty Orthopaedics Surgery Center (SOSC)

"SIS Complete gives us an ‘ASC-in-a-box’ from a technology perspective, all from one vendor partner. We want to do what is right and best for our patients. SIS Complete helps us to accomplish those goals."

⎯ Elizabeth Rushton Conto, Business Office Manager, Specialty Orthopaedics Surgery Center Read the Story

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Learn How SIS Coding Contributes to Better Bottom Lines

Put your ASC's revenue cycle on the path to greater success — speak with a SIS expert and learn why surgery centers nationwide rely on our team to handle their coding. 

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SIS Recognized as Top Workplace USA 2025

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