Summary & Overview
CPT 00530: Anesthesia for Cardiac Procedures with Pump Oxygenator
CPT 00530 covers anesthesia services for major cardiac operations involving the heart, pericardial sac, and great vessels when a pump oxygenator (cardiopulmonary bypass) is used. This code captures high-complexity anesthetic management required during open cardiac procedures where the anesthesiology team manages airway, hemodynamics, anticoagulation considerations, and physiologic support while the patient is on bypass. Nationally, CPT 00530 is a key code for hospitals and anesthesia groups involved in cardiothoracic surgery because it aligns with resource-intensive perioperative care and influences facility billing and anesthesia service documentation.
Key payers included in this overview are Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. The publication provides readers with context on clinical indications for use, associated inpatient hospital setting expectations, and connections to common cardiac surgical procedures. Readers will find a concise explanation of the code’s clinical scope, the typical care setting, and the kinds of procedures that commonly generate this anesthesia code. Where available, the content highlights coding relationships and operational considerations relevant to billing and clinical teams. Data not available in the input for specific payer policy text or service-line metrics is noted when applicable.
CPT Code Overview
CPT 00530 describes anesthesia services provided for procedures on the heart, pericardial sac, and great vessels of the chest performed with cardiopulmonary bypass using a pump oxygenator. This code represents the anesthesiologist's role in supporting major cardiac surgical procedures that require full cardiopulmonary support.
Service type: Anesthesiology
Typical site of service: Inpatient Hospital (POS 21)
Clinical & Coding Specifications
Clinical Context
A 68-year-old inpatient with multivessel coronary artery disease and severe aortic valve stenosis is scheduled for open-heart surgery requiring cardiopulmonary bypass. The patient presents with symptoms consistent with heart failure and ischemic heart disease and is admitted to the hospital for surgical management. Preoperative evaluation by cardiothoracic surgery and anesthesia includes review of diagnoses, airway assessment, medication reconciliation, and invasive monitoring placement (arterial line, central venous line). Intraoperative management involves general endotracheal anesthesia, systemic anticoagulation for cardiopulmonary bypass, initiation and management of the pump oxygenator, hemodynamic monitoring, and coordination with the surgical team for valve replacement and coronary revascularization as indicated. Post-bypass care includes weaning from the pump, hemostasis, transfer to the intensive care unit for ventilatory and hemodynamic support, and postoperative pain and sedation management.
Coding Specifications
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Modifiers
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QS: Monitored anesthesia care service — Use when the anesthesia service is reported as monitored anesthesia care rather than general anesthesia for procedures that allow MAC. -
QX: CRNA service with medical direction by a physician — Use when a Certified Registered Nurse Anesthetist provides the anesthesia services and a physician medically directs the service. -
Provider Taxonomies and Specialties
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207L00000X— Anesthesiology -
207RC0000X— Cardiovascular Disease Physician -
207RG0300X— Thoracic Surgery (Cardiothoracic Vascular Surgery)
Related Diagnoses
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I25.10— Atherosclerotic heart disease of native coronary artery without angina pectoris- Clinical relevance: Coronary atherosclerosis may necessitate coronary artery bypass grafting performed under cardiopulmonary bypass covered by
00530.
- Clinical relevance: Coronary atherosclerosis may necessitate coronary artery bypass grafting performed under cardiopulmonary bypass covered by
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I34.0— Nonrheumatic mitral (valve) insufficiency- Clinical relevance: Significant mitral regurgitation may require valve repair or replacement during cardiac surgery that uses cardiopulmonary bypass.
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I35.0— Nonrheumatic aortic (valve) stenosis- Clinical relevance: Aortic stenosis is an indication for aortic valve replacement, a procedure commonly performed with cardiopulmonary bypass and anesthesia coded by
00530.
- Clinical relevance: Aortic stenosis is an indication for aortic valve replacement, a procedure commonly performed with cardiopulmonary bypass and anesthesia coded by
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I50.9— Heart failure, unspecified- Clinical relevance: Heart failure represents the clinical status that can complicate perioperative management and often accompanies patients undergoing major cardiac surgery with pump oxygenator support.
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I21.9— Acute myocardial infarction, unspecified- Clinical relevance: Acute myocardial infarction may precipitate urgent surgical revascularization or influence timing and risk of procedures requiring cardiopulmonary bypass encoded by
00530.
- Clinical relevance: Acute myocardial infarction may precipitate urgent surgical revascularization or influence timing and risk of procedures requiring cardiopulmonary bypass encoded by
Related CPT Codes
| CPT Code | Description | Clinical Relationship |
|---|---|---|
33405 | Replacement, aortic valve with cardiopulmonary bypass | Often performed with anesthesia services described by 00530; represents a primary surgical procedure that requires use of pump oxygenator and cardiopulmonary bypass. |
| 33533 | Coronary artery bypass, using arterial graft(s); single arterial graft | May be performed concurrently or during the same operative session requiring cardiopulmonary bypass covered by 00530 when CABG is indicated.
| 33249 | Insertion or replacement of permanent implantable defibrillator system | May occur in the same hospitalization but is a separate procedure; not typically performed on pump oxygenator but can be part of the broader cardiac surgical care plan.
| 92928 | Percutaneous transcatheter placement of intracoronary stent(s), with coronary angioplasty when performed; single major coronary artery or branch | A percutaneous alternative to surgical revascularization; serves as an alternate approach to procedures that might otherwise require open surgery with cardiopulmonary bypass.
Common pairings and alternatives:
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33405and33533are commonly used together with00530when valve replacement and coronary artery bypass are performed in the same operative session. -
92928represents a less invasive alternative to surgical CABG (33533) and may be chosen instead of procedures requiring cardiopulmonary bypass.
National Reimbursement Benchmarks
National mean commercial rates are generally higher than Medicare’s mean when Medicare is considered a baseline; BUCA (the broad commercial aggregate) posts a mean of $132.13 compared with Medicare which is not provided in the input for a direct numeric mean. Among national commercial payers, Cigna and Blue Cross Blue Shield show the highest mean allowed rates, while UnitedHealth Group reports the lowest mean.
Rate dispersion, measured as the difference between the 75th and 25th percentiles, is widest for Cigna (348.00 - 89.00 = 259.00) and Aetna (314.00 - 42.00 = 272.00), indicating broader variability in allowed rates. UnitedHealth Group has the tightest spread (75.33 - 50.17 = 25.16), with BUCA showing moderate dispersion (187.50 - 45.00 = 142.50). The table and chart below present the full percentile breakdown and mean rates for each payer.
State Benchmarks
State: AK1 / 50
Alaska Benchmarks
Alaska's reimbursement rates for CPT code 00530 show a substantial spread between payers, with Blue Cross Blue Shield offering the highest mean rate at $269.16 and UnitedHealth Group the lowest at $75.12. The rate spread, calculated as the difference between the 75th and 25th percentiles, is most pronounced for Blue Cross Blue Shield ($74.20), indicating significant variability in payments. Other payers, such as Aetna and UnitedHealth Group, display minimal spread, with all percentiles clustered at $72.00–$76.00, suggesting more uniform reimbursement.
Compared to national averages, Blue Cross Blue Shield's mean rate in Alaska is considerably higher, while Aetna and Cigna are below their respective national means. The table and chart below present the full breakdown of payer-specific rates, highlighting the diversity in reimbursement across the state.
Key Insights for Alaska
- Blue Cross Blue Shield is the highest paying payer for CPT 00530 in Alaska, with a mean rate of $269.16.
- UnitedHealth Group offers the lowest mean rate at $75.12, significantly below both the state and national averages.
- The mean rate for Aetna in Alaska ($125.08) is notably lower than its national average ($191.50), while Blue Cross Blue Shield's Alaska mean rate ($269.16) is higher than its national mean ($218.43).
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.