Summary & Overview
CPT 99213: Office Visit for Established Patients, Low Complexity
CPT code 99213 is a foundational billing code for office and outpatient visits involving established patients, representing low complexity evaluation and management services. This code is widely used across the United States, making it a critical element in both clinical practice and healthcare reimbursement. The code is applicable when a provider spends 20–29 minutes with a patient or when the visit involves a medically appropriate history and/or examination with low-level medical decision making.
Major national payers, including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare, recognize and reimburse for CPT 99213. Its broad acceptance underscores its importance in primary care, internal medicine, and general practice settings. Readers will gain insight into the clinical context of this code, typical sites of service, and its role in routine patient management. The publication also covers relevant benchmarks, policy updates, and comparisons to related codes, providing a comprehensive overview for healthcare professionals, administrators, and policy analysts.
Understanding CPT 99213 is essential for accurate billing, compliance, and resource allocation in outpatient care. The code's widespread use and standardized criteria make it a key reference point for evaluating national trends in office visit utilization and reimbursement.
CPT Code Overview
CPT 99213 is used to report an office or other outpatient visit for the evaluation and management of an established patient. This code applies when the encounter requires a medically appropriate history and/or examination and a low level of medical decision making. When time is used for code selection, CPT 99213 corresponds to a total of 20–29 minutes spent on the date of the encounter. The typical site of service for this code is an office or other outpatient setting, such as Place of Service 11. This code is a core component of the Evaluation and Management—Office or Other Outpatient Services category, reflecting routine care for established patients with relatively straightforward clinical needs.
Clinical & Coding Specifications
Clinical Context
A patient with an established relationship to the practice presents for an office or outpatient visit. The encounter involves a medically appropriate history and/or examination, with a low level of medical decision making. Common scenarios include follow-up for chronic conditions such as essential hypertension, type 2 diabetes mellitus without complications, or evaluation of acute complaints like headache, low back pain, or upper respiratory infection. The provider spends 20–29 minutes on the date of the encounter, addressing the patient's concerns, reviewing relevant history, performing an examination as needed, and managing ongoing or new issues. The visit may occur in person or via telemedicine, depending on patient needs and practice capabilities.
Coding Specifications
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Modifier
25: Used when a significant, separately identifiable evaluation and management service is performed by the same physician on the same day as another procedure or service. -
Modifier
95: Indicates a synchronous telemedicine service rendered via real-time interactive audio and video telecommunications system.
| Modifier Code | Description |
|---|---|
25 |