CPT 00520 Anesthesia Reimbursement Benchmarks | OpenPayer

Summary & Overview

CPT 00520: Anesthesia for Closed Chest Procedures Including Bronchoscopy

CPT code 00520 represents anesthesia for closed chest procedures, including bronchoscopy, and is a critical billing code for anesthesiology services in hospital settings. This code is widely used across the United States to document and reimburse anesthesia care for patients undergoing minimally invasive chest interventions. The publication provides a comprehensive overview of national benchmarks, payer coverage, and policy updates relevant to this code. Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare, reflecting broad commercial coverage for these services.

Readers will gain insight into the clinical context of closed chest procedures requiring anesthesia, typical sites of service, and the importance of accurate coding for reimbursement and compliance. The summary also highlights common modifiers and associated taxonomies, offering a clear understanding of how 00520 fits within the broader landscape of anesthesiology billing. Additionally, the publication reviews related CPT codes and ICD-10 diagnoses, providing context for clinical scenarios where this code is applicable. This resource is designed to inform healthcare professionals, billing specialists, and policy analysts about the latest trends and requirements for anesthesia billing in closed chest procedures.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareCPT 00520anesthesiologyclosed chest proceduresbronchoscopyhospital inpatientmedical billingclinical codingpolicy updatesbenchmarksmodifier codes

CPT Code Overview

CPT code 00520 is used to report anesthesia services for closed chest procedures, including bronchoscopy. This code falls under the anesthesiology service type and is typically performed in an inpatient hospital setting (Place of Service 21). The procedure involves the administration of anesthesia to support patient comfort and safety during diagnostic or therapeutic interventions within the chest cavity that do not require opening the chest wall. This code is essential for accurately capturing the complexity and resources involved in providing anesthesia for these specialized procedures.

Clinical & Coding Specifications

Clinical Context

A patient is admitted to an inpatient hospital (Place of Service 21) with symptoms suggestive of a pneumothorax, such as sudden chest pain and shortness of breath. The clinical team determines that a closed chest procedure, such as bronchoscopy, is required to diagnose or treat the condition. An anesthesiologist provides anesthesia services for the procedure, ensuring patient comfort and safety throughout. The anesthesia is tailored to the patient's health status, and monitored anesthesia care may be provided if appropriate. The procedure is performed by a physician specializing in anesthesiology, critical care medicine, or pain medicine.

Coding Specifications

Modifier QS: Indicates that monitored anesthesia care service was provided during the procedure.
Modifier P1: Used when the patient is a normal healthy individual undergoing the procedure.

Modifier Code	Description
`QS`	Monitored anesthesia care service

National Reimbursement Benchmarks

National mean rates for CPT code 00520 show that commercial payers, as represented by BUCA, average $190.69, while Medicare rates are not available in the input. Among individual commercial payers, Cigna has the highest mean rate at $350.71, followed by Blue Cross Blue Shield at $321.48 and Aetna at $299.32. UnitedHealth Group is notably lower at $65.63.

Rate dispersion varies significantly across payers. Aetna exhibits the widest spread, with a difference of $481.71 between its 75th and 25th percentiles, indicating substantial variability in contracted rates. In contrast, UnitedHealth Group has the tightest range, with only $25.47 separating its 75th and 25th percentiles, suggesting more consistent reimbursement levels.

The table and chart below present a detailed breakdown of national benchmarks for each payer.

State Benchmarks

State: Alaska1 / 50

Alaska Benchmarks

Alaska displays a wide spread in reimbursement rates for CPT code 00520, with Blue Cross Blue Shield offering the highest mean rate at $418.09 and UnitedHealth Group the lowest at $75.12. The rate spread, measured by the difference between the 75th and 25th percentiles, is most pronounced for Blue Cross Blue Shield ($203.75), indicating significant variability in payments. In contrast, Aetna and UnitedHealth Group show minimal spread, with all percentiles clustered closely together.

Compared to national averages, Blue Cross Blue Shield and BUCA rates in Alaska are substantially higher, while Cigna and UnitedHealth Group are notably lower than their national benchmarks. The table and chart below present the full breakdown of payer-specific rates in Alaska, highlighting these disparities and the overall landscape for CPT code 00520 reimbursement.

Key Insights for Alaska

Blue Cross Blue Shield is the highest paying payer for CPT 00520 in Alaska, with a mean rate of $418.09.
UnitedHealth Group offers the lowest mean rate at $75.12, significantly below both state and national averages.
Cigna and UnitedHealth Group rates in Alaska are notably lower than their national mean rates, while Blue Cross Blue Shield's mean rate is substantially higher than the national average.

Related Codes

00542-ANESTHESIA-FOR-REMOVAL-OF-LUNG

CPT 00542: Anesthesia for Removal of Lung Lining

CPT-00561-INFANT-CARDIAC-ANESTHESIA-WITH-BYPASS

CPT 00561: Infant Cardiac Anesthesia with Cardiopulmonary Bypass

00546-ANESTHESIA-FOR-INTRATHORACIC

CPT 00546: Anesthesia for Intrathoracic Procedures

00529-ANESTHESIA-FOR-CLOSED-CHEST-PROCEDURES-MEDIASTINOSCOPY-AND

CPT 00529: Anesthesia for Closed Chest Procedures with One Lung Ventilation

CPT-00562-CARDIAC-ANESTHESIA-WITH-CARDIOPULMONARY-BYPASS

CPT 00562: Anesthesia for Major Cardiac and Great Vessel Procedures

00534-UNDER-ANESTHESIA-FOR-TRANSVENOUS-CARDIOVERTERDEFIBRILLATOR

CPT 00534: Anesthesia for Transvenous Cardioverter–Defibrillator Insertion

00580-ANESTHESIA-FOR-TRANSPLANT-OF-HEART-AND

CPT 00580: Anesthesia for Heart and Lung Transplant

00537-THE-PROVIDER-PERFORMS-ANESTHESIA-SERVICES-FOR-A-PATIENT

CPT 00537: Anesthesia for Cardiac Electrophysiologic Procedures

00540-ANESTHESIA-FOR-CHEST

CPT 00540: Anesthesia for Chest Surgery

00550-ANESTHESIA-FOR-DIRECT-CORONARY-ARTERY-BYPASS-GRAFTING

CPT 00550: Anesthesia for Direct Coronary Artery Bypass Grafting, Without Pump Oxygenator

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P1

Taxonomy Code	Specialty Name
`207L00000X`	Anesthesiology
`207LC0200X`	Critical Care Medicine (Anesthesiology)
`207LP2900X`	Pain Medicine (Anesthesiology)

OpenPayer

Summary & Overview

CPT 00520: Anesthesia for Closed Chest Procedures Including Bronchoscopy

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