Summary & Overview
CPT 00541: Anesthesia for Thoracotomy with One Lung Ventilation
CPT code 00541 represents anesthesia for thoracotomy procedures involving the lungs, pleura, diaphragm, and mediastinum, specifically when one lung ventilation is required. This code is significant nationally due to its application in complex thoracic surgeries, which often demand advanced anesthesiology expertise and specialized equipment. The code is most commonly billed in hospital inpatient or operating room settings, reflecting the high-acuity nature of these procedures.
Major payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. Understanding coverage and reimbursement policies for CPT code 00541 is essential for hospitals and anesthesiology practices, as these procedures are frequently performed in tertiary care centers and require coordination across multiple clinical teams.
Readers will gain insights into the clinical context of thoracotomy anesthesia, current policy updates, and national benchmarks for billing and reimbursement. The publication also highlights relevant modifiers, associated taxonomies, and common ICD-10 diagnoses linked to this code, providing a comprehensive overview for stakeholders in anesthesiology and hospital administration. This summary serves as a resource for understanding the complexities and importance of anesthesia services in thoracic surgery.
CPT Code Overview
CPT code 00541 is used to report anesthesia services for thoracotomy procedures involving the lungs, pleura, diaphragm, and mediastinum, including surgical thoracoscopy, when one lung ventilation is utilized. This code is classified under anesthesiology and is typically performed in a hospital setting, such as an inpatient unit or operating room (Place of Service 21 or 22). The procedure is critical for patients undergoing complex thoracic surgeries that require specialized anesthesia techniques to ensure patient safety and optimal surgical conditions.
Clinical & Coding Specifications
Clinical Context
A patient, often pediatric, is admitted to the hospital for a thoracotomy procedure involving the lungs, pleura, diaphragm, or mediastinum. The surgery requires one lung ventilation, a technique used to facilitate surgical access and protect the non-operative lung. The patient may have congenital heart or vascular anomalies such as common arterial trunk, ventricular septal defect, hypoplastic left heart syndrome, coarctation of the aorta, or total anomalous pulmonary venous connection. An anesthesiologist or pediatric anesthesiologist provides anesthesia services in the operating room, ensuring safe induction, maintenance, and monitoring throughout the procedure.
Coding Specifications
-
Modifiers:
Modifier Code Description When Used QSMonitored anesthesia care service When anesthesia is provided as monitored care P1A normal healthy patient When the patient is classified as ASA Physical Status 1 -
Provider Taxonomies:
Taxonomy Code Specialty 207L00000XAnesthesiology 207LA0401XPediatric Anesthesiology 2080P0203XPediatric Critical Care Medicine
These taxonomies represent providers specializing in anesthesia and critical care, particularly for pediatric patients.
Related Diagnoses
-
Q20.0- Common arterial trunk- Relevant for patients undergoing thoracotomy due to congenital heart defects affecting the great vessels.
-
Q21.0- Ventricular septal defect- May require thoracotomy for surgical repair, often in pediatric patients.
-
Q23.4- Hypoplastic left heart syndrome- Associated with complex cardiac surgery, sometimes necessitating thoracotomy and one lung ventilation.
-
Q25.1- Coarctation of aorta- Surgical correction may involve thoracotomy, requiring specialized anesthesia.
-
Q26.2- Total anomalous pulmonary venous connection- Thoracotomy is often needed for repair, with anesthesia tailored to the patient's cardiac anatomy.
Each diagnosis represents a clinical scenario where thoracotomy and specialized anesthesia, including one lung ventilation, are indicated.
Related CPT Codes
-
00540- Anesthesia for thoracotomy procedures involving lungs, pleura, diaphragm, and mediastinum (including surgical thoracoscopy); not otherwise specified- Used for thoracotomy procedures without specification of one lung ventilation. May be an alternative to
00541when one lung ventilation is not required.
- Used for thoracotomy procedures without specification of one lung ventilation. May be an alternative to
-
00542- Anesthesia for thoracotomy procedures involving lungs, pleura, diaphragm, and mediastinum (including surgical thoracoscopy); decortication- Used when the thoracotomy procedure involves decortication. May be used in conjunction with or as an alternative to
00541depending on the surgical indication.
- Used when the thoracotomy procedure involves decortication. May be used in conjunction with or as an alternative to
These codes are related by the type of thoracotomy procedure and anesthesia service provided. Selection depends on the specific surgical technique and clinical scenario.
National Reimbursement Benchmarks
National mean rates for CPT code 00541 show that BUCA (average commercial) payers reimburse at $375.75, while Medicare rates are not available in the input. Among individual commercial payers, Cigna has the highest mean rate at $812.81, followed by Blue Cross Blue Shield at $745.58, and Aetna at $599.20. UnitedHealth Group is notably lower at $65.57.
Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies significantly across payers. Aetna exhibits the widest spread ($1,054.67), indicating substantial variability in rates, while UnitedHealth Group has the tightest range ($25.53), suggesting more consistent reimbursement. Cigna and Blue Cross Blue Shield also show wide dispersions, with $1,209.00 and $447.59 respectively.
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 exhibits a wide spread in reimbursement rates for CPT code 00541, with Blue Cross Blue Shield and BUCA offering substantially higher mean rates compared to Aetna, Cigna, and UnitedHealth Group. The rate spread is most pronounced for Blue Cross Blue Shield, where the difference between the 75th and 25th percentiles is $333.06, indicating significant variability in payments. In contrast, Aetna and UnitedHealth Group show minimal spread, with all percentile values clustered closely together.
Compared to national averages, Blue Cross Blue Shield and BUCA in Alaska pay considerably more, while Aetna, Cigna, and UnitedHealth Group rates are below their respective national benchmarks. The table and chart below present the full breakdown of payer-specific rates and percentiles for Alaska, highlighting these disparities.
Key Insights for Alaska
- Blue Cross Blue Shield is the highest paying payer for CPT 00541 in Alaska, with a mean rate of $941.36.
- UnitedHealth Group offers the lowest mean rate at $75.12, significantly below both state and national averages.
- Cigna and Aetna rates in Alaska are notably lower than their respective national averages, while Blue Cross Blue Shield and BUCA rates are substantially higher than national benchmarks.
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.