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CPT 99304: Initial Nursing Facility E/M Visit, Straightforward or Low Complexity
CPT code 99304 represents an initial evaluation and management (E/M) visit for a patient in a nursing facility when the clinician documents straightforward or low medical decision making or spends at least 25 minutes on the encounter. Nationally, this code is used to capture early-care management for residents entering skilled nursing or long-term care settings and is important for facility care workflows, provider billing, and resource allocation for older adults and medically complex patients. Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.
Readers will find a concise explanation of clinical context and appropriate site of service for 99304, comparisons with adjacent nursing facility E/M codes, and the typical time and decision-making thresholds distinguishing initial nursing facility visits. The publication outlines common billing considerations, typical payer coverage patterns, and how 99304 fits into the continuum of nursing facility evaluation codes. The material is intended for clinicians, billing staff, and policy analysts seeking a national overview of the code's purpose, typical use cases, and placement alongside higher-complexity initial nursing facility codes.
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Billing Code Overview
CPT code 99304 describes an initial nursing facility care encounter focused on evaluation and management (E/M). The visit applies when a clinician evaluates a patient newly admitted to a nursing facility or seen for the first time during a facility stay.
Service Type: Initial nursing facility E/M visit
Typical Site of Service: Nursing facility (skilled nursing facility or long-term care facility)
National Reimbursement Benchmarks
Medicare average reimbursement for CPT 99304 sits at $83.4, closely aligned with Aetna’s mean of $83.4 and below BUCA’s broader commercial average of $102.6. Blue Cross Blue Shield and Cigna show notably higher mean levels ($97.1 and $124.4 respectively), while UnitedHealth Group’s mean ($116.3) also exceeds Medicare, highlighting a commercial-versus-Medicare spread concentrated around roughly $20–$40 for many national payers.
Dispersion measured by the interquartile range (P75–P25) is narrowest for Medicare at $5 and tight for Aetna at $25, indicating compressed commercial reimbursements near their medians. The widest IQRs appear for Cigna at $79 and UnitedHealth Group at $66, reflecting greater variability in commercial contract rates. Blue Cross Blue Shield and BUCA show intermediate dispersion ($36.8 and $47 respectively), placing them between the tight Medicare/Aetna band and the more variable Cigna/UnitedHealth Group cluster.