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<title>Current Procedural Terminology</title>

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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Current Procedural Terminology</span></span>

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</style><table class="infobox hproduct"><caption class="infobox-title fn">Current Procedural Terminology</caption><tbody><tr><th scope="row" class="infobox-label">Abbreviation</th><td class="infobox-data">CPT</td></tr><tr><th scope="row" class="infobox-label">Status</th><td class="infobox-data">Published</td></tr><tr><th scope="row" class="infobox-label">Latest version</th><td class="infobox-data">CPT 2021<br>October 2021</td></tr><tr><th scope="row" class="infobox-label">Organization</th><td class="infobox-data"><a href="American_Medical_Association" title="American Medical Association">American Medical Association</a></td></tr><tr><th scope="row" class="infobox-label">Editors</th><td class="infobox-data">CPT Editorial Panel</td></tr><tr><th scope="row" class="infobox-label">Domain</th><td class="infobox-data"><a href="Medical_classification" title="Medical classification">Medical classification</a></td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://www.ama-assn.org/amaone/cpt-current-procedural-terminology">www<wbr>.ama-assn<wbr>.org<wbr>/amaone<wbr>/cpt-current-procedural-terminology</a></span></td></tr></tbody></table>

<p>The <b>Current Procedural Terminology</b> (<b>CPT</b>) code set is a <a href="Medical_classification" title="Medical classification">procedural code set</a> developed by the <a href="American_Medical_Association" title="American Medical Association">American Medical Association</a> (AMA). It is maintained by the CPT Editorial Panel.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The CPT code set describes medical, surgical, and diagnostic services and is designed to communicate uniform information about medical services and procedures among physicians, coders, patients, accreditation organizations, and payers for administrative, financial, and analytical purposes. New editions are released each October,<sup id="cite_ref-Durham2008_2-0" class="reference"><a href="#cite_note-Durham2008-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> with CPT 2021 being in use since October 2021. It is available in both a standard edition and a professional edition.<sup id="cite_ref-AbrahamAhlman2010_3-0" class="reference"><a href="#cite_note-AbrahamAhlman2010-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Association(COR)2010_4-0" class="reference"><a href="#cite_note-Association(COR)2010-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>

</p><p>CPT coding is similar to <a href="ICD-10-CM" title="ICD-10-CM">ICD-10-CM</a> coding, except that it identifies the services rendered, rather than the diagnosis on the claim. Whilst the <a href="ICD-10_Procedure_Coding_System" title="ICD-10 Procedure Coding System">ICD-10-PCS codes</a> also contains procedure codes, those are only used in the <a href="Inpatient" class="mw-redirect" title="Inpatient">inpatient</a> setting.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>

</p><p>CPT is identified by the <a href="Centers_for_Medicare_and_Medicaid_Services" class="mw-redirect" title="Centers for Medicare and Medicaid Services">Centers for Medicare and Medicaid Services</a> (CMS) as Level 1 of the <a href="Healthcare_Common_Procedure_Coding_System" title="Healthcare Common Procedure Coding System">Healthcare Common Procedure Coding System</a>. Although its use has become federally regulated, the CPT's copyright has not entered the <a href="Public_domain" title="Public domain">public domain</a>. Users of the CPT code set must pay license fees to the AMA.

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<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>

<p>As the AMA decided in April 1960, the <i>Current Medical Terminology</i> (CMT) handbook was first published in June 1962 – 1963 to standardize terminology of the Standard Nomenclature of Diseases and Operations (SNDO) and <a href="International_Classification_of_Diseases" title="International Classification of Diseases">International Classification of Diseases</a> (ICD), and for the analysis of patient records, and was aided by an <a href="IBM" title="IBM">IBM</a> computer.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Procedural information was dropped in the transition from the SNDO to CMT, but was released separately as the <i>Current Procedural Terminology</i> in 1966.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup>

</p><p>The CPT code revisions in 2013 were part of a periodic five-year review of codes. Some psychotherapy codes changed numbers, for example 90806 changed to 90834 for individual psychotherapy of a similar duration. Add-on codes were created for the complexity of communication about procedures. Family therapy and psychological testing codes were among those that were unchanged.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup>

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<div class="mw-heading mw-heading2"><h2 id="Types_of_code">Types of code</h2></div>

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<p>There are three types of CPT code: Category I, Category II, and Category III.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup>

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<div class="mw-heading mw-heading3"><h3 id="Category_I">Category I</h3></div>

<p>Category I CPT Code(s). There are six main sections:<sup id="cite_ref-Moisio2009_11-0" class="reference"><a href="#cite_note-Moisio2009-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup>

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<div class="mw-heading mw-heading4"><h4 id="Medicare_specific_codes_(HCPCS)_for_Preventive_evaluation_and_management">Medicare specific codes (HCPCS) for Preventive evaluation and management</h4></div>

<ul><li>(G0402) - Initial Preventive Physical Examination; face-to-face visit, services limited to a new patient during the first 12 months of Medicare enrollment.</li>

<li>(G0438) - Annual wellness visit, includes a personalized prevention plan of service (PPPS), first visit,</li>

<li>(G0439) - Annual wellness visit, includes a personalized prevention plan of service (PPPS), subsequent visit</li></ul>

<div class="mw-heading mw-heading4"><h4 id="Codes_for_evaluation_and_management:_99201–99499">Codes for evaluation and management: 99201–99499</h4></div>

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</style><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="Evaluation_and_Management_Coding" title="Evaluation and Management Coding">Evaluation and Management Coding</a></div>

<ul><li>(99201–99215) <a href="Outpatient" class="mw-redirect" title="Outpatient">Office/other outpatient services</a></li>

<li>(99217–99220) <a href="Medical_observation" title="Medical observation">Hospital observation</a> services</li>

<li>(99221–99239) <a href="Inpatient" class="mw-redirect" title="Inpatient">Hospital inpatient</a> services</li>

<li>(99241–99255) <a href="Consultation_(doctor)" class="mw-redirect" title="Consultation (doctor)">Consultations</a></li>

<li>(99281–99288) <a href="Emergency_department" title="Emergency department">Emergency department</a> services</li>

<li>(99291–99292) <a href="Intensive_care_medicine" title="Intensive care medicine">Critical care</a> services</li>

<li>(99304–99318) <a href="Nursing_facility" class="mw-redirect" title="Nursing facility">Nursing facility</a> services</li>

<li>(99324–99337) Domiciliary, rest home (<a href="Nursing_home" title="Nursing home">boarding home</a>) or custodial care services</li>

<li>(99339–99340) Domiciliary, rest home (<a href="Assisted_living_facility" class="mw-redirect" title="Assisted living facility">assisted living facility</a>), or home care plan oversight services</li>

<li>(99341–99350) <a href="Home_care" title="Home care">Home health</a> services</li>

<li>(99354–99360) Prolonged services</li>

<li>(99363–99368) <a href="Medical_case_management" title="Medical case management">Case management</a> services</li>

<li>(99374–99380) Care plan oversight services</li>

<li>(99381–99429) <a href="Preventive_medicine" class="mw-redirect" title="Preventive medicine">Preventive medicine</a> services</li>

<li>(99441–99444) <a href="Telemedicine" class="mw-redirect" title="Telemedicine">Non-face-to-face physician services</a></li>

<li>(99450–99456) Special evaluation and management services</li>

<li>(99460–99465) <a href="Neonatal_care" class="mw-redirect" title="Neonatal care">Newborn care</a> services</li>

<li>(99466–99480) <a href="NICU" class="mw-redirect" title="NICU">Inpatient neonatal intensive, and pediatric/neonatal critical, care services</a></li>

<li>(99487–99489) Complex chronic care coordination services</li>

<li>(99495–99496) <a href="Transitional_care" title="Transitional care">Transitional care</a> management services</li>

<li>(99499) Other evaluation and management services</li></ul>

<div class="mw-heading mw-heading4"><h4 id="Codes_for_anesthesia:_00100–01999;_99100–99150">Codes for anesthesia: 00100–01999; 99100–99150</h4></div>

<li>(00400–00474) <a href="Thorax" title="Thorax">thorax</a></li>

<li>(00500–00580) <a href="Intrathoracic" class="mw-redirect" title="Intrathoracic">intrathoracic</a></li>

<li>(00600–00670) <a href="Vertebral_column" class="mw-redirect" title="Vertebral column">spine</a> and <a href="Spinal_cord" title="Spinal cord">spinal cord</a></li>

<li>(00700–00797) upper abdomen<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup></li>

<li>(00800–00882) lower abdomen<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup></li>

<li>(00902–00952) <a href="Perineum" title="Perineum">perineum</a></li>

<li>(01112–01190) <a href="Pelvis" title="Pelvis">pelvis</a> (except hip)</li>

<li>(01200–01274) upper leg (except knee)</li>

<li>(01320–01444) knee and popliteal area</li>

<li>(01462–01522) lower leg (below knee)</li>

<li>(01610–01682) <a href="Shoulder" title="Shoulder">shoulder</a> and <a href="Axilla" title="Axilla">axillary</a></li>

<li>(01710–01782) upper arm and elbow</li>

<li>(01810–01860) forearm, wrist and hand</li>

<li>(01916–01936) <a href="Radiology" title="Radiology">radiological procedures</a></li>

<li>(01951–01953) burn excisions or debridement</li>

<li>(01958–01969) <a href="Obstetric" class="mw-redirect" title="Obstetric">obstetric</a></li>

<li>(01990–01999) other procedures</li>

<li>(99100–99140) qualifying circumstances for anesthesia</li>

<li>(99143–99150) moderate (conscious) sedation</li></ul>

<div class="mw-heading mw-heading4"><h4 id="Codes_for_surgery:_10000–69990">Codes for surgery: 10000–69990</h4></div>

<ul><li>(10000–10022) general</li>

<li>(10040–19499) <a href="Integumentary_system" title="Integumentary system">integumentary system</a></li>

<li>(20000–29999) <a href="Musculoskeletal_system" class="mw-redirect" title="Musculoskeletal system">musculoskeletal system</a></li>

<li>(30000–32999) <a href="Respiratory_system" title="Respiratory system">respiratory system</a></li>

<li>(33010–37799) <a href="Cardiovascular_system" class="mw-redirect" title="Cardiovascular system">cardiovascular system</a></li>

<li>(38100–38999) <a href="Hemic" class="mw-redirect" title="Hemic">hemic</a> and <a href="Lymphatic_system" title="Lymphatic system">lymphatic systems</a></li>

<li>(39000–39599) <a href="Mediastinum" title="Mediastinum">mediastinum</a> and <a href="Thoracic_diaphragm" title="Thoracic diaphragm">diaphragm</a></li>

<li>(40490–49999) <a href="Digestive_system" class="mw-redirect" title="Digestive system">digestive system</a></li>

<li>(50010–53899) <a href="Urinary_system" title="Urinary system">urinary system</a></li>

<li>(54000–55899) <a href="Human_male_genitalia" class="mw-redirect" title="Human male genitalia">male genital system</a></li>

<li>(55920–55980) <a href="Reproductive_system" title="Reproductive system">reproductive system</a> and <a href="Intersex" title="Intersex">intersex</a></li>

<li>(56405–58999) <a href="Human_female_genitalia" class="mw-redirect" title="Human female genitalia">female genital system</a></li>

<li>(59000–59899) <a href="Maternity_care" class="mw-redirect" title="Maternity care">maternity care</a> and <a href="Childbirth" title="Childbirth">delivery</a></li>

<li>(60000–60699) <a href="Endocrine_system" title="Endocrine system">endocrine system</a></li>

<li>(61000–64999) <a href="Nervous_system" title="Nervous system">nervous system</a></li>

<li>(65091–68899) <a href="Human_eye" title="Human eye">eye</a> and <a href="Ocular_adnexa" class="mw-redirect" title="Ocular adnexa">ocular adnexa</a></li>

<li>(69000–69979) <a href="Auditory_system" title="Auditory system">auditory system</a></li></ul>

<div class="mw-heading mw-heading4"><h4 id="Codes_for_radiology:_70000–79999">Codes for radiology: 70000–79999</h4></div>

<ul><li>(70010–76499) <a href="Diagnostic_radiology" class="mw-redirect" title="Diagnostic radiology">diagnostic radiology</a></li>

<li>(76500–76999) <a href="Diagnostic_ultrasound" class="mw-redirect" title="Diagnostic ultrasound">diagnostic ultrasound</a></li>

<li>(77001–77032) radiologic guidance</li>

<li>(77051–77059) breast <a href="Mammography" title="Mammography">mammography</a></li>

<li>(77071–77084) <a href="Bone" title="Bone">bone</a>/joint studies</li>

<li>(77261–77999) <a href="Radiation_oncology" class="mw-redirect" title="Radiation oncology">radiation oncology</a></li>

<li>(78000–79999) <a href="Nuclear_medicine" title="Nuclear medicine">nuclear medicine</a></li></ul>

<div class="mw-heading mw-heading4"><h4 id="Codes_for_pathology_and_laboratory:_80000–89398">Codes for pathology and laboratory: 80000–89398</h4></div>

<ul><li>(80000–80076) organ or disease-oriented panels</li>

<li>(80100–80103) <a href="Drug_testing" class="mw-redirect" title="Drug testing">drug testing</a></li>

<li>(80150–80299) therapeutic drug assays</li>

<li>(80400–80440) <a href="Evocative/suppression_testing" title="Evocative/suppression testing">evocative/suppression testing</a></li>

<li>(80500–80502) consultations (clinical pathology)</li>

<li>(81000–81099) <a href="Urinalysis" title="Urinalysis">urinalysis</a></li>

<li>(82000–84999) <a href="Chemistry" title="Chemistry">chemistry</a></li>

<li>(85002–85999) <a href="Hematology" title="Hematology">hematology</a> and <a href="Coagulation" title="Coagulation">coagulation</a></li>

<li>(86000–86849) <a href="Immunology" title="Immunology">immunology</a></li>

<li>(86850–86999) <a href="Transfusion_medicine" title="Transfusion medicine">transfusion medicine</a></li>

<li>(87001–87999) <a href="Microbiology" title="Microbiology">microbiology</a></li>

<li>(88000–88099) anatomic pathology (postmortem)</li>

<li>(88104–88199) <a href="Cytopathology" title="Cytopathology">cytopathology</a></li>

<li>(88230–88299) <a href="Cytogenetic_studies" class="mw-redirect" title="Cytogenetic studies">cytogenetic studies</a></li>

<li>(88300–88399) <a href="Surgical_pathology" title="Surgical pathology">surgical pathology</a></li>

<li>(88720–88741) in vivo (transcutaneous) lab procedures</li>

<li>(89049–89240) other procedures</li>

<li>(89250–89398) <a href="Reproductive_medicine_procedures" class="mw-redirect" title="Reproductive medicine procedures">reproductive medicine procedures</a></li></ul>

<div class="mw-heading mw-heading4"><h4 id="Codes_for_medicine:_90281–99099;_99151–99199;_99500–99607">Codes for medicine: 90281–99099; 99151–99199; 99500–99607</h4></div>

<ul><li>(90281–90399) immune globulins, <a href="Serum_(blood)" title="Serum (blood)">serum</a> or recombinant prods</li>

<li>(90465–90474) immunization administration for <a href="Vaccines" class="mw-redirect" title="Vaccines">vaccines</a>/<a href="Toxoids" class="mw-redirect" title="Toxoids">toxoids</a></li>

<li>(90476–90749) vaccines, toxoids</li>

<li>(90801–90899) <a href="Psychiatry" title="Psychiatry">psychiatry</a></li>

<li>(90901–90911) <a href="Biofeedback" title="Biofeedback">biofeedback</a></li>

<li>(90935–90999) <a href="Kidney_dialysis" title="Kidney dialysis">dialysis</a></li>

<li>(91000–91299) <a href="Gastroenterology" title="Gastroenterology">gastroenterology</a></li>

<li>(92002–92499) <a href="Ophthalmology" title="Ophthalmology">ophthalmology</a></li>

<li>(92502–92700) special otorhinolaryngologic services</li>

<li>(92950–93799) <a href="Cardiovascular" class="mw-redirect" title="Cardiovascular">cardiovascular</a></li>

<li>(93875–93990) noninvasive vascular diagnostic studies</li>

<li>(94002–94799) <a href="Pulmonary" class="mw-redirect" title="Pulmonary">pulmonary</a></li>

<li>(95004–95199) allergy and clinical immunology</li>

<li>(95250–95251) <a href="Endocrinology" title="Endocrinology">endocrinology</a></li>

<li>(95803–96020) neurology and neuromuscular procedures</li>

<li>(96101–96125) central nervous system assessments/tests (neuro-cognitive, mental status, speech testing)</li>

<li>(96150–96155) health and behavior assessment/intervention</li>

<li>(96360–96549) hydration, therapeutic, prophylactic, diagnostic injections and infusions, and chemotherapy and other highly complex drug or highly complex biologic agent administration</li>

<li>(96567–96571) <a href="Photodynamic_therapy" title="Photodynamic therapy">photodynamic therapy</a></li>

<li>(96900–96999) special dermatological procedures</li>

<li>(97001–97799) <a href="Physical_medicine_and_rehabilitation" title="Physical medicine and rehabilitation">physical medicine and rehabilitation</a></li>

<li>(97802–97804) <a href="Medical_nutrition_therapy" class="mw-redirect" title="Medical nutrition therapy">medical nutrition therapy</a></li>

<li>(97810–97814) <a href="Acupuncture" title="Acupuncture">acupuncture</a></li>

<li>(98925–98929) <a href="Osteopathic_manipulative_treatment" class="mw-redirect" title="Osteopathic manipulative treatment">osteopathic manipulative treatment</a></li>

<li>(98940–98943) <a href="Chiropractic_manipulative_treatment" class="mw-redirect" title="Chiropractic manipulative treatment">chiropractic manipulative treatment</a></li>

<li>(98960–98962) education and training for patient self-management</li>

<li>(98966–98969) non-face-to-face nonphysician services</li>

<li>(99000–99091) special services, procedures and reports</li>

<li>(99170–99199) other services and procedures</li>

<li>(99500–99602) home health procedures/services</li>

<li>(99605–99607) medication therapy management services</li></ul>

<div class="mw-heading mw-heading3"><h3 id="Category_II">Category II</h3></div>

<p>CPT II codes describe clinical components usually included in evaluation and management of clinical services and are not associated with any relative value. Category II codes are reviewed by the Performance Measures Advisory Group (PMAG), an advisory body to the CPT Editorial Panel and the CPT/HCPAC Advisory Committee. The PMAG is composed of performance measurement experts representing the Agency for Healthcare Research and Quality (AHRQ), the American Medical Association (AMA), the Centers for Medicare and Medicaid Services (CMS), the Joint Commission on Accreditation of Healthcare Organizations (JCAHO), the National Committee for Quality Assurance (NCQA) and the Physician Consortium for Performance Improvement. The PMAG may seek additional expertise and/or input from other national health care organizations, as necessary, for the development of Category II codes. These may include national medical specialty societies, other national health care professional associations, accrediting bodies and federal regulatory agencies.

</p><p>Category II codes make use of an alphabetical character as the 5th character in the string (i.e., 4 digits followed by the letter F). These digits are not intended to reflect the placement of the code in the regular (Category I) part of the CPT codebook. Appendix H in CPT section contains information about performance measurement exclusion of modifiers, measures, and the measures' source(s). Currently there are 11 Category II codes. They are:

</p>

<ul><li>(0001F–0015F) Composite measures</li>

<li>(0500F–0584F) Patient management</li>

<li>(1000F–1505F) Patient history</li>

<li>(2000F–2060F) Physical examination</li>

<li>(3006F–3776F) Diagnostic/screening processes or results</li>

<li>(4000F–4563F) Therapeutic, preventive or other interventions</li>

<li>(5005F–5250F) Follow-up or other outcomes</li>

<li>(6005F–6150F) Patient safety</li>

<li>(7010F–7025F) Structural measures</li>

<li>(9001F–9007F) Non-measure claims-based reporting</li></ul>

<p>CPT II codes are billed in the procedure code field, just as CPT Category I codes are billed. Because CPT II codes are not associated with any relative value, they are billed with a $0.00 billable charge amount.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup>

</p>

<div class="mw-heading mw-heading3"><h3 id="Category_III">Category III</h3></div>

<ul><li>Category III CPT Code(s) – Emerging technology (Category III codes: 0016T-0207T<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup>)</li></ul>

<div class="mw-heading mw-heading2"><h2 id="Criticism_of_copyright">Criticism of copyright</h2></div>

<p>CPT is a registered trademark of the American Medical Association (AMA) and its largest single source of income.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> The AMA holds the copyright for the CPT coding system.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> However, in <i>Practice Management v. American Medical Association</i><sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> the U.S. Court of Appeals for the Ninth Circuit held that while the AMA owned the copyright, it could not enjoin a competitor on the basis that the AMA had misused its copyright.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> Practice Management had argued that the publication of the CPT into federal regulation invalidated the copyright; the general debate around copyright and regulation access was revived in 2012<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> by a petition motivated by an <a href="Administrative_Conference_of_the_United_States" title="Administrative Conference of the United States">Administrative Conference of the United States</a> recommendation.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup>

</p><p>In 2001, Senate Minority Leader <a href="Trent_Lott" title="Trent Lott">Trent Lott</a> criticized what he labeled as the AMA's "monopoly" over the CPT codes for preventing "comparison shopping" by patients and for contributing to rising healthcare costs.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup>

</p><p>Despite the copyrighted nature of the CPT code sets, the use of the code is mandated by almost all health insurance payment and information systems, including the <a href="Centers_for_Medicare_and_Medicaid_Services" class="mw-redirect" title="Centers for Medicare and Medicaid Services">Centers for Medicare and Medicaid Services</a> (CMS), and the data for the code sets appears in the <a href="Federal_Register" title="Federal Register">Federal Register</a>. It is necessary for most users of the CPT code (principally providers of services) to pay license fees for access to the code.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup>

</p><p>In the past, AMA offered a limited search of the CPT manual for personal, non-commercial use on its website.<sup id="cite_ref-amasearch_24-0" class="reference"><a href="#cite_note-amasearch-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> CPT codes can be looked up on the <a href="AAPC_(healthcare)" title="AAPC (healthcare)">AAPC</a> (American Academy of Professional Coders) website.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup>

</p>

<ul><li><a href="Medical_classification" title="Medical classification">Medical classification</a></li>

<li><a href="Procedure_code" title="Procedure code">Procedure code</a></li>

<li><a href="Health_Care_Procedure_Coding_System" class="mw-redirect" title="Health Care Procedure Coding System">HCPCS</a></li>

<li><a href="Specialty_Society_Relative_Value_Scale_Update_Committee" title="Specialty Society Relative Value Scale Update Committee">Specialty Society Relative Value Scale Update Committee</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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</ol></div></div>

<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>

<ul><li><a rel="nofollow" class="external text" href="https://ocm.ama-assn.org/OCM/CPTRelativeValueSearch.do">Official site</a> by the AMA</li>

<li><a rel="nofollow" class="external text" href="https://www.aapc.com/codes/cpt-codes-range">CPT Codes Lookup</a> by the AAPC</li>

<li><a rel="nofollow" class="external text" href="https://medicalbillingrcm.com/list-of-cpt-codes-in-medical-billing-and-coding">List of CPT Codes in Medical Billing</a> by the MBRCM</li></ul>

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</style><div id="Medical_classification157" style="font-size:114%;margin:0 4em"><a href="Medical_classification" title="Medical classification">Medical classification</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Topographical_code" title="Topographical code">Topographical codes</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

<ul><li><a href="Federative_International_Programme_on_Anatomical_Terminology" title="Federative International Programme on Anatomical Terminology">Terminologia</a>

<li><a href="Systematized_Nomenclature_of_Medicine#T_(Topography)_--_Anatomic_terms" title="Systematized Nomenclature of Medicine">SNOMED T axis</a></li>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Diagnosis_code" title="Diagnosis code">Diagnostic codes</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">General</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em">

<li><a href="NANDA" class="mw-redirect" title="NANDA">NANDA</a></li>

<li><a href="Read_code" title="Read code">Read codes</a></li>

<li><a href="Systematized_Nomenclature_of_Medicine" title="Systematized Nomenclature of Medicine">SNOMED D axis</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specialized</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em">

<li><a href="Orchard_Sports_Injury_and_Illness_Classification_System" title="Orchard Sports Injury and Illness Classification System">OSIICS</a></li></ul>

</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Procedure_code" title="Procedure code">Procedural codes</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

<ul><li><a href="Healthcare_Common_Procedure_Coding_System" title="Healthcare Common Procedure Coding System">HCPCS</a> (, <a href="HCPCS_Level_2" title="HCPCS Level 2">Level 2</a>)</li>

<ul><li><a href="ICD-9-CM_Volume_3" title="ICD-9-CM Volume 3">9-CM Volume 3</a></li>

<li><a href="Systematized_Nomenclature_of_Medicine" title="Systematized Nomenclature of Medicine">SNOMED P axis</a></li>

<li><a href="Read_code" title="Read code">Read codes</a>/<a href="OPCS-4" title="OPCS-4">OPCS-4</a></li>

<li><a href="LOINC" title="LOINC">LOINC</a></li></ul>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="Pharmaceutical_code" title="Pharmaceutical code">Pharmaceutical codes</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

<li><a href="Systematized_Nomenclature_of_Medicine" title="Systematized Nomenclature of Medicine">SNOMED C axis</a></li>

</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Outcomes codes</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em">

</div></td></tr></tbody></table></div></div><div><div class="zim-footer">

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