Did the AMA Create CPT Codes to “Game” Medicare?

Article author and evidence

Written by

Dr. Kainat Amjad, MBBS

Medical Doctor and Practice Growth Strategist, Staffingly, Inc.

Dr. Kainat Amjad, MBBS, is a Medical Doctor and Practice Growth Strategist at Staffingly, Inc. She writes about healthcare operations, administrative workflows, patient access, prior authorization, revenue cycle management, and practical ways healthcare organizations can reduce avoidable administrative burden. Her work focuses on translating complex healthcare processes into clear operational guidance for physicians, practice owners, administrators, and healthcare teams.

MBBS Practice Growth Healthcare Operations

Evidence basis

Primary-source coding history review

Built from current CMS, Federal Register, AMA, congressional, and Staffingly sources relevant to this article. This content is educational and is not clinical, legal, coding, billing, financial, or payer-policy advice.

Current policy context

CMS Is Asking New Questions About CPT in the CY 2027 Proposed Rule

CMS issued the CY 2027 Medicare Physician Fee Schedule proposed rule on July 14, 2026. Its request for information asks about the influence of CPT and the AMA process on physician payment policy. That is an open policy review, not a finalized change to CPT ownership, licensing, or Medicare billing requirements.

Read the CMS fact sheetRead the proposed rule

The history of Current Procedural Terminology (CPT) does not support the claim that the American Medical Association (AMA) created CPT codes to “game” Medicare. The timeline tells a different story. Medicare was signed into law in 1965, while the AMA published the first edition of CPT in 1966 to standardize the description and documentation of medical procedures, though it also supported insurance claims and statistical reporting from the start. Medicare did not incorporate CPT into its physician billing system until 1983, seventeen years after the code set already existed.

That distinction matters because CPT is sometimes discussed as though it was built specifically as a Medicare billing mechanism. Historically, that is not accurate. CPT existed before Medicare adopted it as part of the federal Healthcare Common Procedure Coding System (HCPCS), and its original purpose was broader than government reimbursement. In 1966, there was no RUC, no RBRVS, and no federal payment system built around CPT at all. Those came later, and separately.

For healthcare providers, understanding this history also explains why the AMA still maintains CPT today, why CMS relies on it, and why the relationship between the two organizations has recently drawn fresh political scrutiny.

When Were CPT Codes Created?

The AMA first published CPT in 1966. The first edition established standardized terms and codes for describing medical procedures. The AMA’s own historical account states that the initial system was meant to encourage standardized terminology for documenting procedures, communicate information about services to organizations involved with insurance claims, support computer-based evaluation of procedures, and provide information for statistical and actuarial purposes.

The original system was considerably narrower than the CPT code set providers use today. The first edition focused mainly on surgical procedures, with smaller sections covering medicine, radiology, and laboratory procedures.

The second edition, published in 1970, expanded the terminology and introduced a five-digit coding system that continued to evolve as medical technology and clinical practice changed.

This timeline matters because it places CPT’s creation in its actual historical context. CPT was not created by Medicare specifically for Medicare billing.

Did CPT Codes Come Before or After Medicare?

CPT came after Medicare was enacted but before Medicare adopted CPT as part of its physician billing system.

The chronology is straightforward:

CMS confirms that Medicare and Medicaid legislation was signed on July 30, 1965. The AMA’s history places the first CPT publication in 1966. The federal agency that adopted CPT for Part B billing in 1983 was the Health Care Financing Administration, or HCFA, which was renamed the Centers for Medicare & Medicaid Services (CMS) in 2001. This article uses CMS throughout for clarity, but the 1983 and 1986 decisions were made under the HCFA name.

The chronology makes the “CPT was created to game Medicare” argument difficult to support. CPT already existed for approximately seventeen years before CMS required its use for Medicare Part B reporting.

Why Did the AMA Create CPT in the First Place?

The original motivation was standardization. Before a common procedural terminology system existed, describing medical procedures consistently across physicians, medical records, insurers, and other organizations was harder to do. A standardized terminology helped answer a basic question: what service was actually performed?

A common coding language gave physicians and healthcare organizations a structured way to describe procedures rather than relying entirely on free-text descriptions. The AMA still describes CPT as a uniform language for reporting medical services and procedures, consistent with its original purpose of standardizing terminology and improving communication about services.

This distinction matters for providers because CPT is not itself a payment schedule. A CPT code identifies a service or procedure. It does not automatically determine how much a payer will reimburse for that service.

Did CPT Have Anything to Do With Insurance Claims?

Yes, but that does not mean it was created specifically to manipulate Medicare. The first CPT edition explicitly listed insurance claims communication among its purposes, since standardized procedure descriptions made it easier for organizations involved in healthcare financing to understand what services had been performed.

This is one reason the historical debate gets confusing. CPT was designed to support several functions at once, including medical documentation, communication between healthcare organizations, insurance claims reporting, statistical analysis, and administrative processing. Its relationship with reimbursement became more prominent as government and commercial payers adopted the terminology, but that later use should not be confused with the circumstances surrounding its original creation.

When Did Medicare Start Using CPT Codes?

CMS incorporated CPT into HCPCS in 1983 and mandated HCPCS reporting for Medicare Part B services. This happened many years after CPT was first published.

This is one of the most important facts when evaluating claims about CPT and Medicare. The AMA developed and published CPT, the code set expanded through the 1970s, its use across healthcare reporting and insurance billing grew, and only then did HCFA incorporate it as Level I of HCPCS and require it for Part B reporting in 1983.

The federal government adopted an existing private sector coding system rather than creating CPT itself, and it did so more than once. HCFA adopted CPT for Medicare Part B in 1983 and extended HCPCS to state Medicaid programs in 1986. A decade later, the Health Insurance Portability and Accountability Act of 1996 directed HHS to name national standards for electronic healthcare transactions, and HHS designated CPT as that standard in 2000. Three separate federal decisions, made under different presidential administrations, each chose to build on the existing CPT system rather than create a new one. That pattern is difficult to square with a narrative in which Medicare and CPT were designed together from the start.

That does not mean the AMA had no influence over physician reimbursement going forward. The AMA later helped build the Resource-Based Relative Value Scale (RBRVS) framework and continues to administer the CPT code set, but those are separate historical developments that should not be collapsed into the origin story of CPT itself.

Did the AMA Create CPT to Control Medicare Payments?

That claim combines several distinct parts of healthcare payment history that developed decades apart.

The AMA maintains and updates CPT through its physician-led CPT Editorial Panel, which is a different function from setting Medicare payment rates. CPT codes describe medical services. Medicare payment policy involves additional layers, including valuation methodologies, payment rules, geographic adjustments, coverage policies, and other CMS requirements.

The connection between CPT and physician payment strengthened in 1991, when the AMA and national specialty societies formed the RVS Update Committee, known as the RUC. Congress had mandated a Resource-Based Relative Value Scale in 1989, and the RUC gave organized medicine a formal channel for recommending how CPT codes should be valued once Medicare moved to that system in 1992. RUC members are required by the committee’s own operating rules to exercise independent judgment on each code rather than advocate for their own specialty’s financial interest, and CMS considers the RUC’s recommendations but retains final authority over what Medicare actually pays.

CPT gave the healthcare system a standardized vocabulary for describing services. The RUC and the RBRVS came later and used that vocabulary to help determine how services would be valued, two different chapters in the same larger story rather than one plan executed from the start.

What Is the Difference Between CPT and Medicare Payment?

This distinction still matters for billing teams today.

A CPT code answers a narrow question: what service was reported? Medicare payment policy addresses a different question: under the applicable rules, how should that service be covered and reimbursed?

A claim can contain a fully valid CPT code and still be denied or paid differently because of coverage limitations, medical necessity requirements, modifier rules, National Correct Coding Initiative edits, provider enrollment requirements, place of service rules, diagnosis to procedure relationships, or documentation requirements. Knowing the CPT code, by itself, does not tell a billing team what Medicare will actually pay for that service. Coding accuracy is necessary but not sufficient for correct reimbursement.

Why Does the AMA Still Maintain CPT?

CPT keeps evolving because medical care keeps changing. New procedures, technologies, diagnostic services, and remote care models create an ongoing need for new or revised terminology.

The AMA maintains CPT through the CPT Editorial Panel, a physician-led process that also draws on input from specialty societies. The code set is updated annually. The AMA’s 2026 CPT release, for example, added 288 new codes covering advances in medical, surgical, and diagnostic services, a reminder that the system was never created once and left alone, and that it requires steady maintenance from a billing operations standpoint.

How Did CPT Become Part of the Broader U.S. Healthcare System?

CPT gradually moved from a professional terminology system into a major piece of U.S. healthcare administrative infrastructure through several milestones: five-digit coding in the 1970 second edition, a scheduled update process introduced with the 1977 fourth edition, Medicare Part B adoption in 1983, mandatory state Medicaid use in 1986, and designation as a national HIPAA transaction standard in 2000.

These developments turned CPT from a professional reporting system into a central part of healthcare administration, which is exactly why any proposed change to how CPT is governed carries operational weight for providers today.

Does the AMA Have Exclusive Control Over CPT?

The AMA owns the CPT copyright and its Board of Trustees selects and approves every member of the CPT Editorial Panel, the group that writes and revises the codes themselves. That said, the Panel’s seats are not filled by AMA staff. Most physician seats are nominated by national medical specialty societies, and separate seats are reserved for the Blue Cross and Blue Shield Association, America’s Health Insurance Plans, the American Hospital Association, and a CMS liaison, none of which are part of the AMA. The RUC, which values the physician work behind those codes, is a distinct committee with a different membership and its own independent-judgment rule described above.

CMS uses CPT within the federal HCPCS framework, but CMS did not create it. The distinction between ownership, governance, and government adoption explains why the AMA can maintain CPT while Medicare requires providers to use it, and it is also why the AMA’s licensing revenue and its board’s authority over Panel appointments have become a separate point of debate from the question of who originally built the code set.

Why Is CPT Ownership Back in the News in 2026?

The historical origin of CPT is one question. Whether the AMA should still hold exclusive control over it is a separate and currently active policy debate, and the two are easy to conflate.

On July 14, 2026, CMS issued the CY 2027 Medicare Physician Fee Schedule proposed rule and requested public comment on the influence of the CPT coding system and the AMA process on physician payment policy. The request asks about CPT development, valuation, access, licensing, and possible alternatives. Members of Congress raised related concerns in 2026. Representative James Comer, chair of the House Oversight Committee, asked CMS for a briefing about federal oversight of CPT and whether coding complexity may contribute to improper billing and higher costs. Senator Bill Cassidy, chair of the Senate HELP Committee, separately questioned CPT licensing revenue and governance.

These developments concern governance and market structure, not the history of CPT’s creation. Critics argue that one organization controlling a coding system used across Medicare, Medicaid, and most commercial insurance limits competition and transparency into how codes are priced and licensed. The AMA and its supporters point to the Panel’s mixed membership and the RUC’s independent-judgment rule as evidence that no single trade association secretly runs both the code book and the price tag without outside check, and note that CMS retains final authority over Medicare payment regardless of who maintains the code set. CMS has not finalized any change to how CPT is licensed or governed, so providers should treat this as an open regulatory question rather than a settled outcome.

For billing teams, the practical takeaway is separate from the politics. Current CPT codes remain the required standard for Medicare Part B and most other payers. What could change is who controls updates to the system, a governance question layered on top of a fifty-plus-year-old terminology system, not evidence that the system was built for improper purposes at the outset.

Why Does This History Matter to Healthcare Providers?

CPT history is not just academic. Understanding the relationship between CPT, CMS, and reimbursement helps billing teams interpret coding requirements more accurately and avoid two common operational mistakes.

The first mistake is treating a valid CPT code as a guarantee of payment. A claim generally moves through several layers before it is paid:

• Clinical service performed
• Documentation of that service
• CPT procedure code selection
• Diagnosis coding
• Modifiers and other claim details
• Payer specific and federal billing rules
• Adjudication and payment

A coding team that understands this sequence is less likely to assume a CPT code guarantees reimbursement, and less likely to be caught off guard when a technically correct code still results in a denial tied to medical necessity, documentation, or a coverage policy.

The second common mistake is falling behind on annual CPT updates. Because the AMA revises the code set every year, and CMS and other payers update coverage and payment policy on a related but not identical schedule, practices that skip a formal review before January claims go out risk reporting deleted or revised codes after their effective dates. A code revision may also affect payer-specific authorization or billing rules, so prior-authorization workflows deserve the same documented review as claim-submission workflows.

Staff training is the third recurring gap. Coders who learned a code set years ago do not automatically absorb annual revisions unless a practice builds that update into its workflow. Treating CPT maintenance as an annual operational task, rather than a one-time training event, prevents small coding errors from compounding into denial patterns.

What Is the “Game Medicare” Claim Actually Getting Wrong?

The claim oversimplifies a complicated history. It is reasonable to scrutinize the relationship between professional medical organizations, coding systems, valuation methodologies, and physician reimbursement, and the current congressional and CMS scrutiny of CPT governance reflects legitimate policy questions.

But saying the AMA created CPT specifically to “game” Medicare does not match the documented chronology. The first CPT edition appeared in 1966, a year after Medicare was enacted and seventeen years before Medicare adopted CPT for Part B reporting in 1983. The AMA’s historical documentation describes the original purpose as standardizing procedure terminology, improving communication about services, supporting insurance claims, and providing information for statistical and actuarial purposes.

A more historically accurate reading is that CPT began as a standardized professional terminology system and was later folded into the federal payment and claims infrastructure. What happened afterward, including the AMA’s role in the RUC and its continued licensing of CPT, is a separate and legitimate subject for the debate now playing out in Washington. It should not be projected backward onto a 1966 publication that predates Medicare’s adoption of CPT by nearly two decades.

Where Staffingly Helps

Understanding CPT history is useful context, but applying current coding and payer rules is the operational priority. Coding teams have to work with current CPT guidance, payer requirements, documentation standards, and claim-submission rules every billing cycle, and that work does not pause while policy debates in Washington play out.

Staffingly supports healthcare organizations with medical billing and administrative professionals who can assist with defined coding-related workflows, claims processing, denial management, and revenue cycle operations. Depending on the agreed workflow, support may include maintaining annual CPT and HCPCS update logs, checking payer work queues, documenting code-change questions, and routing discrepancies for review. Staffingly does not replace qualified coders, clinicians, legal counsel, payer-policy interpretation, or the healthcare organization’s final responsibility for documentation, coding, billing, and claim submission.

Final Thoughts

The history of CPT does not support the idea that the AMA invented CPT codes to “game” Medicare. Medicare became law in 1965. The AMA published the first CPT edition in 1966 to create standardized terminology for medical procedures and to support documentation, claims communication, and statistical reporting. CMS later adopted CPT as part of HCPCS and required its use for Medicare Part B reporting in 1983, seventeen years after CPT already existed.

CPT eventually became deeply integrated into the U.S. healthcare payment system, but its origin predates Medicare’s formal adoption of the code set for physician claims. The AMA’s later role in the RUC and its continued ownership of CPT licensing are real and currently contested issues that deserve scrutiny on their own terms, but they are a separate chapter from the story of why CPT was created.

For today’s providers, the practical distinction holds regardless of how the current policy debate resolves. CPT describes the service. Medicare and other payers apply separate rules to determine coverage, valuation, and payment. Understanding that history, and staying current on how CPT continues to evolve, gives healthcare professionals a clearer picture of why the code set exists, who maintains it, and why accurate CPT reporting remains essential to sound revenue cycle operations.