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🏥 '''Current Procedural Terminology (CPT)''' is a standardized coding system maintained by the American Medical Association that assigns a unique numeric code to virtually every medical procedure and service a [[Definition:Healthcare provider | healthcare provider]] can perform. In the [[Definition:Health insurance | health insurance]] industry, CPT codes serve as the common language between providers and [[Definition:Insurance carrier | carriers]], enabling consistent [[Definition:Claims processing | claims processing]], [[Definition:Utilization review | utilization review]], and [[Definition:Medical billing | billing]] across millions of daily transactions.

⚙️ When a provider submits a [[Definition:Claim | claim]], each service rendered is represented by its CPT code — often paired with an [[Definition:International Classification of Diseases (ICD) | ICD]] diagnosis code to justify medical necessity. The insurer's [[Definition:Claims adjudication | adjudication]] engine maps these codes against the policyholder's [[Definition:Benefit plan | benefit plan]], [[Definition:Fee schedule | fee schedules]], and [[Definition:Medical policy | medical policies]] to determine the allowable reimbursement. Modifiers appended to CPT codes indicate special circumstances — such as bilateral procedures or services performed by multiple surgeons — that affect payment. Errors or mismatches in coding are a leading source of [[Definition:Claim denial | claim denials]], making accurate CPT usage critical for both provider revenue cycles and insurer operational efficiency.

📋 Beyond day-to-day claims operations, CPT data feeds some of the most important analytical functions in health insurance. [[Definition:Actuarial analysis | Actuaries]] rely on procedure-level coding to model medical cost trends, benchmark provider efficiency, and set [[Definition:Premium | premiums]]. [[Definition:Fraud detection | Fraud detection]] algorithms flag anomalous code patterns — such as [[Definition:Upcoding | upcoding]] or unbundling — that may indicate billing abuse. Regulatory agencies and [[Definition:Workers' compensation insurance | workers' compensation]] systems also reference CPT in their fee schedules and treatment guidelines. For any insurer or [[Definition:Insurtech | insurtech]] firm operating in the health or casualty space, a solid command of CPT architecture is foundational to building accurate, efficient, and compliant payment systems.

'''Related concepts:'''
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* [[Definition:International Classification of Diseases (ICD)]]
* [[Definition:Claims adjudication]]
* [[Definition:Fee schedule]]
* [[Definition:Medical billing]]
* [[Definition:Utilization review]]
* [[Definition:Health insurance]]
{{Div col end}}

Definition:Current Procedural Terminology (CPT) - Revision history

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