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Revenue Cycle & Billing

CPT Codes

CPT (Current Procedural Terminology) codes are standardized five-character codes maintained by the American Medical Association that identify medical, surgical, and diagnostic procedures on claims. Accurate CPT coding drives correct ASC reimbursement, since each surgical procedure maps to a specific payable code.

What are CPT codes?

CPT (Current Procedural Terminology) codes are standardized five-character codes, maintained by the American Medical Association, that identify medical, surgical, and diagnostic procedures and services on claims. Each code corresponds to a specific service, giving payers and providers a common, precise way to describe what was done.

CPT codes work alongside diagnosis codes, which describe why a service was provided, to form the procedural half of the information a payer needs to adjudicate a claim.

Why do CPT codes matter for surgery centers?

Because reimbursement is tied to the specific procedure performed, accurate CPT coding is what drives correct payment for each surgical case an ASC bills. Selecting the right code, and applying appropriate modifiers, can be the difference between full reimbursement, an underpayment, or a denial.

For an ambulatory surgery center, where the procedure itself is the core billable event, precise CPT coding is foundational to the entire claim. Errors at this level cascade into the rest of the revenue cycle, making CPT accuracy a high-priority focus for coding staff.

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