CPT 00524: Anesthesia for Closed Drainage of Lung Fluid - OpenPayer

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Summary & Overview

CPT 00524: Anesthesia for Closed Drainage of Lung Fluid

CPT code 00524 represents anesthesia for closed drainage of lung fluid, a critical service in the management of intrathoracic conditions requiring fluid removal without open surgery. This code is widely used in inpatient hospital settings, reflecting its importance in acute care and respiratory management. Nationally, the code is recognized by major commercial payers including Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare, ensuring broad coverage for patients undergoing these procedures.

The publication provides a comprehensive overview of 00524, including payer coverage, clinical context, and related billing practices. Readers will gain insight into typical use cases, associated service types, and relevant policy updates impacting anesthesia billing for intrathoracic procedures. The summary also highlights common modifiers and taxonomies linked to this code, as well as related CPT and ICD-10 codes that may be encountered in clinical documentation. This information is valuable for understanding reimbursement benchmarks, compliance requirements, and the evolving landscape of anesthesia services in hospital settings.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareCPT 00524anesthesiaintrathoracic procedureshospital inpatientmedical billingclosed drainagelung fluidclinical documentationpolicy updatesreimbursement

CPT Code Overview

CPT code 00524 is used to report anesthesia services for closed drainage of lung fluid. This procedure falls under the category of Anesthesia – Intrathoracic Procedures, which involves providing anesthesia care during interventions within the chest cavity that do not require open surgical access. The typical site of service for this code is the inpatient hospital setting, specifically at Place of Service 21. This code is essential for accurately documenting and billing anesthesia care provided during closed thoracic procedures, ensuring proper reimbursement and compliance with clinical standards.

Clinical & Coding Specifications

Clinical Context

A patient is admitted to an inpatient hospital with symptoms such as shortness of breath and chest pain. Imaging reveals a collection of fluid within the pleural cavity, requiring closed drainage to relieve symptoms and prevent complications. An anesthesiology provider administers anesthesia for the closed drainage of lung fluid, ensuring patient comfort and safety during the intrathoracic procedure. The service is typically performed in an inpatient hospital setting, with anesthesia provided by an anesthesiologist, CRNA, or anesthesiologist assistant.

Coding Specifications

Modifiers:
- QS: Monitored anesthesia care service. Used when the anesthesia provider is present and monitoring the patient, but not providing general anesthesia.
- QX: CRNA service with medical direction by a physician. Used when a Certified Registered Nurse Anesthetist (CRNA) provides the anesthesia service under the medical direction of a physician.
Provider Taxonomies:

Code Specialty Name
207L00000X

Code	Specialty Name
`207L00000X`

National Reimbursement Benchmarks

For CPT code 00524, national mean rates among commercial payers (BUCA) average $123.38, while individual payer rates vary significantly. Blue Cross Blue Shield and Cigna report the highest mean rates at $213.48 and $248.09, respectively, whereas UnitedHealth Group is notably lower at $65.51. The BUCA mean rate is substantially higher than typical Medicare rates, though Medicare data is not available in the input for this code.

Rate dispersion, measured by the difference between the 75th and 25th percentiles, is widest for Cigna ($259.00) and Aetna ($235.00), indicating greater variability in contracted rates. UnitedHealth Group shows the tightest range ($24.67), suggesting more consistent reimbursement levels across providers. The table and chart below present the full breakdown of national benchmarks for each payer.

State Benchmarks

State: AK1 / 50

Alaska Benchmarks

Alaska's reimbursement rates for CPT code 00524 show a wide spread between payers, with Blue Cross Blue Shield offering the highest mean rate and UnitedHealth Group the lowest. The rate spread, calculated as the difference between the 75th and 25th percentiles, is most pronounced for Blue Cross Blue Shield ($72.95) and BUCA ($137.28), indicating significant variability in payment levels. In contrast, Aetna and UnitedHealth Group have minimal rate spreads, both with only a $4 difference between the 25th and 75th percentiles, suggesting more uniform payment structures.

Compared to national averages, Alaska generally exhibits higher mean rates for most payers except Cigna, which is notably lower in Alaska than nationally. The table and chart below present the full breakdown of payer-specific rates, highlighting the distinct reimbursement landscape in Alaska for CPT code 00524.

Key Insights for Alaska

Blue Cross Blue Shield is the highest paying payer for CPT 00524 in Alaska, with a mean rate of $268.78.
UnitedHealth Group offers the lowest mean rate at $75.12.
Cigna's mean rate in Alaska ($89.33) is significantly lower than its national average ($248.09), while Blue Cross Blue Shield's Alaska mean rate is notably higher than its national mean ($213.48).

Related Codes

00632

CPT 00632: Anesthesia for Lumbar Region Procedures Including Sympathectomy

00566

CPT 00566: Anesthesia for Direct CABG Without Pump Oxygenator

00560

CPT 00560: Anesthesia for Cardiac and Great Vessel Procedures, No Pump Oxygenator

00550

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

00454

CPT 00454: Anesthesia for Clavicle and Scapula Procedures

00625

CPT 00625: Anesthesia for Thoracic Spine Procedures, Anterior Approach

00546

CPT 00546: Anesthesia for Intrathoracic Procedures

00539

CPT 00539: Anesthesia for Thoracotomy with Cardiopulmonary Bypass

00600

CPT 00600: Anesthesia for Spine and Spinal Cord Procedures

00541

CPT 00541: Anesthesia for Thoracotomy with One Lung Ventilation

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