Summary & Overview
CPT 99203: Office Visit for New Patients, Low Complexity
CPT code 99203 is a widely utilized billing code for office or outpatient visits involving the evaluation and management of new patients. This code is designated for encounters requiring a medically appropriate history and/or examination, with a low level of medical decision making, and typically involves 30–44 minutes spent with the patient. Its national relevance stems from its frequent use across primary care, internal medicine, pediatrics, and other specialties, making it a cornerstone of outpatient clinical practice.
Major payers including Aetna, Blue Cross Blue Shield, Cigna Health, Medicare, and UnitedHealthcare recognize and reimburse for services billed under CPT code 99203. The code is commonly used in office settings and is integral to documenting and billing new patient visits that do not require moderate or high complexity decision making.
Readers will gain insight into the clinical context and billing requirements for CPT code 99203, including benchmarks for utilization, policy updates, and payer coverage. The publication also addresses relevant modifiers, associated provider taxonomies, and common ICD-10 diagnoses linked to this code. Understanding the nuances of CPT code 99203 is essential for accurate billing, compliance, and optimizing reimbursement in outpatient care settings.
CPT Code Overview
CPT code 99203 is used for office or other outpatient visits involving the evaluation and management of a new patient. This code applies when a medically appropriate history and/or examination is performed, and the medical decision making is of low complexity. When time is used for code selection, a total of 30–44 minutes is spent on the date of the encounter.
Service Type: Evaluation and Management — New Patient
Typical Site of Service: Office or other outpatient visit (such as Place of Service 11)
Clinical & Coding Specifications
Clinical Context
A new patient presents to a physician's office for an initial evaluation. The visit includes a medically appropriate history and/or examination, and the physician engages in low complexity medical decision making. The total time spent on the date of the encounter is between 30 and 44 minutes. Common clinical scenarios include a general adult medical examination, assessment of acute upper respiratory infection, evaluation of essential hypertension, or management of type 2 diabetes mellitus without complications. The service is typically provided in an office or outpatient setting by physicians in family medicine, internal medicine, general practice, pediatrics, or obstetrics & gynecology.
Coding Specifications
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Modifiers:
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Modifier
25: Significant, Separately Identifiable Evaluation and Management Service by the Same Physician on the Same Day of the Procedure or Other Service. Used when an E/M service is distinct from other procedures performed on the same day. -
Modifier
95: Synchronous Telemedicine Service Rendered via a Real-Time Interactive Audio and Video Telecommunications System. Used when the E/M service is provided via telemedicine.
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Provider Taxonomies:
| Taxonomy Code | Specialty |
|---|---|
207Q00000X | Family Medicine Physician |
207R00000X | Internal Medicine Physician |
208D00000X | General Practice Physician |
208000000X | Pediatrics Physician |
207V00000X | Obstetrics & Gynecology Physician |
Related Diagnoses
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Z00.00: Encounter for general adult medical examination without abnormal findings- Used for routine check-ups where no abnormal findings are present.
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Z00.01: Encounter for general adult medical examination with abnormal findings- Used when a general medical examination reveals abnormal findings.
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J06.9: Acute upper respiratory infection, unspecified- Applied when evaluating a patient with symptoms of an acute upper respiratory infection.
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E11.9: Type 2 diabetes mellitus without complications- Used for patients with type 2 diabetes who do not have documented complications.
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I10: Essential (primary) hypertension- Used for patients presenting with or being evaluated for primary hypertension.
Related CPT Codes
| CPT Code | Description |
|---|---|
99204 | New patient office visit of moderate level, typically 45–59 minutes total time |
99204is used for new patient office visits requiring a moderate level of medical decision making or when the total time spent is between 45 and 59 minutes. It is an alternative to99203when the complexity or time exceeds the parameters for99203. These codes are not used together for the same patient encounter, but may be selected based on the clinical scenario and documentation.
National Reimbursement Benchmarks
For CPT code 99203, the national mean rate for Medicare is $121.03, while the average commercial mean rate (BUCA) is $118.51. This places Medicare slightly above the commercial average, with individual commercial payers such as UnitedHealth Group and Cigna showing higher mean rates at $144.35 and $138.01, respectively.
Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies significantly across payers. Medicare exhibits the tightest range at $10.00, indicating relatively consistent reimbursement rates. In contrast, UnitedHealth Group and Cigna have the widest dispersions, with ranges of $75.67 and $69.50, respectively, reflecting greater variability in commercial reimbursement. Blue Cross Blue Shield and Aetna show moderate dispersion, while BUCA's range is $48.92.
The table and chart below present a detailed breakdown of national benchmarks for each payer, including mean rates and percentile values.
State Benchmarks
State: AK1 / 50
Alaska Benchmarks
Alaska's reimbursement rates for CPT code 99203 show a wide spread across payers, with UnitedHealth Group offering the highest mean rate at $242.38 and Medicare the lowest at $118.05. The rate spread, calculated as the difference between the 75th and 25th percentiles, is most pronounced for Cigna ($93.08) and Blue Cross Blue Shield ($52.83), indicating substantial variability in commercial payer rates. UnitedHealth Group's percentiles are tightly clustered, suggesting less variation among its contracted rates.
Compared to national averages, Alaska's commercial payers consistently reimburse at much higher levels. For example, UnitedHealth Group's mean rate in Alaska is nearly $100 above its national mean, and Blue Cross Blue Shield's mean rate is almost $80 higher. The table and chart below present the full breakdown of payer-specific rates for CPT 99203 in Alaska.
Key Insights for Alaska
- UnitedHealth Group is the highest paying payer for CPT 99203 in Alaska, with a mean rate of $242.38.
- Medicare is the lowest paying payer, with a mean rate of $118.05.
- All commercial payers in Alaska reimburse significantly above their respective national averages, with UnitedHealth Group's mean rate nearly $100 higher than its national benchmark.
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.