CPT 99204 Reimbursement Benchmarks & Policy | OpenPayer

Summary & Overview

CPT 99204: Office Visit for New Patients, Moderate Complexity

CPT code 99204 represents a moderate complexity office or outpatient visit for the evaluation and management of a new patient. This code is widely used across the United States by general practice and primary care providers to deliver comprehensive assessments, including medically appropriate history, examination, and moderate medical decision making. The code is selected when the encounter involves 45 to 59 minutes of total time spent with the patient, reflecting the depth and scope of the clinical evaluation required for new patients.

Major national payers such as Aetna, Blue Cross Blue Shield, Cigna Health, Medicare, and UnitedHealthcare recognize and reimburse for CPT code 99204, making it a cornerstone of outpatient care billing. This publication provides an overview of the clinical context, payer coverage, and policy updates relevant to this code. Readers will gain insights into typical use cases, associated diagnoses, and related codes, as well as benchmarks for reimbursement and compliance considerations. The analysis also highlights common modifiers and taxonomies linked to CPT code 99204, offering a comprehensive resource for understanding its role in medical billing and practice management.

Healthcare professionals, administrators, and policy analysts will find this summary useful for navigating the evolving landscape of evaluation and management services for new patients, ensuring alignment with national standards and payer requirements.

AetnaBlue Cross Blue ShieldCigna HealthMedicareUnitedHealthcareCPT 99204Evaluation and ManagementNew Patient VisitOffice VisitModerate ComplexityMedical Decision MakingOutpatient ServicesGeneral PracticeBilling ComplianceClinical Documentation

CPT Code Overview

CPT code 99204 is used for office or other outpatient visits involving the evaluation and management of a new patient. This code requires a medically appropriate history and/or examination and a moderate level of medical decision making. When time is used for code selection, a total of 45 to 59 minutes is spent on the date of the encounter. The typical site of service for this procedure is the office, designated as Place of Service (POS) 11. This code is central to the delivery of comprehensive care for new patients, ensuring that providers allocate sufficient time and resources for thorough assessment and management.

Clinical & Coding Specifications

Clinical Context

A new adult patient presents to a general practice office for an initial evaluation. The visit involves a medically appropriate history and/or examination, and the provider engages in moderate complexity medical decision making. The total time spent on the date of the encounter is between 45 and 59 minutes. Common clinical scenarios include assessment of general health, evaluation of symptoms such as headache or abdominal pain, management of chronic conditions like type 2 diabetes mellitus or essential hypertension, or routine gynecological examination. The workflow typically includes patient intake, history gathering, physical examination, review of relevant medical records, ordering diagnostic tests if needed, and formulation of a treatment plan. The service is performed in an office setting (Place of Service 11), and may be delivered in-person or via synchronous telemedicine if appropriate.

Coding Specifications

Modifier 25: Used when a significant, separately identifiable evaluation and management service is provided by the same physician on the same day as another procedure or service.
Modifier 95: Indicates that the service was rendered via a real-time interactive audio and video telecommunications system (synchronous telemedicine).

Modifier Code	Description

National Reimbursement Benchmarks

Nationally, the mean rate for CPT code 99204 is $182.69 for BUCA (average commercial), while Medicare's mean rate is $182.50. This shows that Medicare reimbursement is nearly identical to the average commercial rate for this code, though individual commercial payers vary significantly. UnitedHealth Group and Cigna have the highest mean rates among commercial payers, at $225.21 and $216.00 respectively, while Aetna is the lowest at $166.83.

Rate dispersion, measured by the difference between the 75th and 25th percentiles, is widest for UnitedHealth Group ($123.33) and Cigna ($115.17), indicating greater variability in contracted rates. Medicare has the tightest range ($15.00), reflecting more consistent reimbursement. Blue Cross Blue Shield and Aetna also show moderate dispersion, with ranges of $66.29 and $65.07 respectively.

The table and chart below present the full breakdown of national benchmarks for CPT code 99204 across major payers.

State Benchmarks

State: Alaska1 / 50

Alaska Benchmarks

Alaska exhibits a wide spread in reimbursement rates for CPT code 99204, with UnitedHealth Group offering the highest mean rate at $387.19 and Medicare the lowest at $178.32. The rate spread, calculated as the difference between the 75th and 25th percentiles, is most pronounced for Cigna ($142.38) and Blue Cross Blue Shield ($87.47), indicating significant variability in commercial payer rates. UnitedHealth Group's rates are tightly clustered, with a spread of $35.67, suggesting less variability among its contracted providers.

Compared to national averages, all payers in Alaska reimburse at substantially higher rates, with UnitedHealth Group and Blue Cross Blue Shield showing the largest deviations from their national benchmarks. The table and chart below present the full breakdown of payer-specific rates for CPT code 99204 in Alaska.

Key Insights for Alaska

UnitedHealth Group is the highest paying payer for CPT 99204 in Alaska, with a mean rate of $387.19.
Medicare is the lowest paying payer, with a mean rate of $178.32, significantly below commercial payers.
All Alaska payer rates are substantially higher than national averages, with UnitedHealth Group and Blue Cross Blue Shield showing the largest deviations.

CPT 99203: Office Visit for New Patients, Low Complexity

99202-OFFICE-OR-OTHER-OUTPATIENT-VISIT-FOR-THE-EVALUATION-AND

CPT 99202: Office Visit for New Patients, Straightforward Decision Making

99205-OFFICE-OR-OTHER-OUTPATIENT-VISIT-FOR-THE-EVALUATION-AND

CPT 99205: Office Visit for New Patients, High Complexity

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Related CPT Codes

99201: Office or other outpatient visit for the evaluation and management of a new patient, requiring a problem focused history, problem focused examination, and straightforward medical decision making.
99203: Office or other outpatient visit for the evaluation and management of a new patient, requiring an expanded problem focused history, expanded problem focused examination, and medical decision making of low complexity.

CPT Code	Description	Clinical Relationship
`99201`	New patient E/M, problem focused, straightforward MDM	Used for less complex new patient visits; alternative to `99204` when complexity is lower
`99203`	New patient E/M, expanded problem focused, low complexity MDM	Used for new patient visits with low complexity; may be used together in comparative coding or as an alternative to `99204`

These codes are related to 99204 as they represent evaluation and management services for new patients, but differ in the level of history, examination, and medical decision making required. They are commonly used as alternatives based on the complexity and time spent during the encounter.

National Reimbursement Benchmarks

The table and chart below present the full breakdown of national benchmarks for CPT code 99204 across major payers.

National Mean Rates for CPT 99204 by Payer

State Benchmarks

State: Alaska1 / 50

Alaska Benchmarks

Mean Rates by Payer for CPT 99204 in Alaska

Key Insights for Alaska

UnitedHealth Group is the highest paying payer for CPT 99204 in Alaska, with a mean rate of $387.19.
Medicare is the lowest paying payer, with a mean rate of $178.32, significantly below commercial payers.
All Alaska payer rates are substantially higher than national averages, with UnitedHealth Group and Blue Cross Blue Shield showing the largest deviations.

CPT 99203: Office Visit for New Patients, Low Complexity

99202-OFFICE-OR-OTHER-OUTPATIENT-VISIT-FOR-THE-EVALUATION-AND

CPT 99202: Office Visit for New Patients, Straightforward Decision Making

99205-OFFICE-OR-OTHER-OUTPATIENT-VISIT-FOR-THE-EVALUATION-AND

CPT 99205: Office Visit for New Patients, High Complexity

OpenPayer

Summary & Overview

CPT 99204: Office Visit for New Patients, Moderate Complexity

CPT Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

National Reimbursement Benchmarks

State Benchmarks

Alaska Benchmarks

Key Insights for Alaska

Related Codes

Related Diagnoses

Related CPT Codes

National Reimbursement Benchmarks

State Benchmarks

Alaska Benchmarks

Key Insights for Alaska

Related Codes