Find policies, billing codes, payers, states, and providers
CPT 99291: Critical Care Evaluation and Management, 30–74 Minutes
CPT code 99291 represents the initial critical care evaluation and management service provided to a critically ill or injured patient for the first 30–74 minutes. It is used when a patient’s condition involves vital organ failure or significant risk of further life‑threatening deterioration and when documentation supports the severity of illness, intensity of services, and time spent. Nationally, correct use of 99291 is important for accurately reflecting resource intensity, enabling appropriate clinical communication, and ensuring consistent claims processing for high‑acuity encounters.
Key payers considered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context in which 99291 applies, how it relates to time-based critical care billing, and its relationship to adjacent services such as additional 30‑minute increments. The publication outlines expectations for documentation that justify medical necessity, common clinical scenarios where 99291 is applicable, and payer coverage patterns and considerations that affect claims handling and reimbursement consistency.
This summary is intended for national audiences including clinical billers, hospital administrators, and policy analysts seeking concise guidance on the role and scope of CPT code 99291 in acute care settings.
Customize your policy alerts
Sign up for cpt 99291 policy alerts
Get alerted when payer policies referencing 99291 are released or updated.
Monitor payer policy activity
Billing Code Overview
CPT code 99291 denotes critical care, evaluation and management of the critically ill or critically injured patient for the initial period of 30–74 minutes. Critical care services address treatment of vital organ failure or prevention of further life‑threatening conditions and require documentation of severity of illness, intensity of services, and time spent to support the medical necessity of the service.
Service type: Critical care evaluation and management
Typical site of service: Intensive care settings such as the intensive care unit (ICU), coronary care unit (CCU), respiratory care unit, or emergency department when critical care services are delivered.
National Reimbursement Benchmarks
Across national benchmarks for CPT 99291, Medicare's mean rate of $317.6 sits well below BUCA's mean commercial benchmark of $879.9, indicating that average commercial reimbursements (as represented by BUCA) are roughly $562.3 higher than Medicare for this code. This gap highlights a substantial divergence between the federal payer baseline and aggregate commercial pricing for high-acuity critical care services.
Examining dispersion using the interquartile spread (P75 minus P25), Blue Cross Blue Shield shows the narrowest spread of $379.2 (P75 $1,449.40 minus P25 $1,070.20), indicating relatively tighter clustering among its commercial rates. UnitedHealth Group and Cigna have wider spreads of $222.8 and $221.7 respectively, while Aetna's spread is $245.8. BUCA's spread is $315.9 (P75 $1,024.80 minus P25 $710.90). These differences reflect varying degree of rate concentration across payers.