Summary & Overview
CPT 01220: Anesthesia for Knee Arthroscopy Procedures
CPT code 01220 represents anesthesia for arthroscopic procedures on the knee joint, a critical component in orthopedic and sports medicine surgeries. This code is widely used across outpatient hospital settings, reflecting the growing prevalence of minimally invasive knee interventions. The publication provides a comprehensive overview of national billing practices, payer coverage, and clinical context for 01220, focusing on major insurers including Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. Readers will gain insights into typical sites of service, relevant modifiers, and associated provider taxonomies. The summary also highlights common clinical indications, such as chronic knee instability, osteoarthritis, and meniscal injuries, which drive utilization of this anesthesia code. Key benchmarks and policy updates are discussed to inform stakeholders about current trends and requirements in medical billing for knee arthroscopy anesthesia. This resource is designed to support healthcare professionals, administrators, and policy analysts in understanding the scope and significance of 01220 within the broader landscape of anesthesiology services.
CPT Code Overview
CPT code 01220 is used to report anesthesia services for procedures performed on the knee joint, specifically for arthroscopic interventions. This code falls under the Anesthesiology service type and is most commonly utilized in the Outpatient Hospital (POS 22) setting. The code ensures proper documentation and billing for anesthesia care provided during minimally invasive knee procedures, supporting accurate reimbursement and compliance with national standards.
Clinical & Coding Specifications
Clinical Context
A typical patient scenario involves an adult presenting with chronic knee pain, instability, or injury, such as a meniscal tear or osteoarthritis. The patient is scheduled for an arthroscopic procedure on the knee joint in an outpatient hospital setting (Place of Service 22). The clinical workflow includes preoperative assessment by the anesthesiology team, administration of anesthesia for the arthroscopic surgery, intraoperative monitoring, and postoperative recovery. The anesthesia service is provided by an anesthesiologist, certified registered nurse anesthetist (CRNA), or anesthesiology assistant, depending on staffing and patient needs.
Coding Specifications
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Modifiers:
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QS: Monitored anesthesia care service. Used when the anesthesia provider delivers monitored anesthesia care during the procedure. -
QX: CRNA service with medical direction by a physician. Used when a CRNA provides anesthesia services under the medical direction of a physician.
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Provider Taxonomies:
Taxonomy Code Specialty Name 207L00000XAnesthesiology 367500000XCertified Registered Nurse Anesthetist 207RA0401XAnesthesiology Assistant
These taxonomies represent the specialties eligible to provide anesthesia services for knee arthroscopy procedures.
Related Diagnoses
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M23.50: Chronic instability of knee, unspecified knee- Indicates ongoing instability in the knee joint, which may necessitate arthroscopic evaluation and treatment.
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M17.11: Unilateral primary osteoarthritis, right knee- Represents degenerative changes in the right knee, often leading to arthroscopic intervention for pain or mechanical symptoms.
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M25.561: Pain in right knee- Describes knee pain, a common indication for arthroscopic procedures to diagnose or treat underlying pathology.
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S83.241A: Tear of medial meniscus, current injury, right knee, initial encounter- Refers to an acute meniscal tear, frequently managed with arthroscopic surgery.
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M23.51: Chronic instability of knee, right knee- Specifies chronic instability in the right knee, which may require arthroscopic assessment and repair.
Each diagnosis is clinically relevant as it represents conditions commonly treated with knee arthroscopy, for which anesthesia services described by 01220 are provided.
Related CPT Codes
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29881: Arthroscopy, knee, surgical; with meniscectomy (medial OR lateral, including any meniscal shaving)- Used when the surgical procedure involves removal of either the medial or lateral meniscus during knee arthroscopy. Commonly paired with anesthesia code
01220.
- Used when the surgical procedure involves removal of either the medial or lateral meniscus during knee arthroscopy. Commonly paired with anesthesia code
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29880: Arthroscopy, knee, surgical; with meniscectomy (medial AND lateral, including any meniscal shaving)- Used for removal of both medial and lateral menisci. Anesthesia code
01220is used for these procedures.
- Used for removal of both medial and lateral menisci. Anesthesia code
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29876: Arthroscopy, knee, surgical; synovectomy, major, 2 or more compartments- Used when a major synovectomy is performed in two or more compartments of the knee. Anesthesia code
01220applies to these procedures.
- Used when a major synovectomy is performed in two or more compartments of the knee. Anesthesia code
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29877: Arthroscopy, knee, surgical; debridement/shaving of articular cartilage (chondroplasty)- Used for debridement or shaving of articular cartilage. Anesthesia code
01220is used for these procedures.
- Used for debridement or shaving of articular cartilage. Anesthesia code
These codes represent the surgical procedures for which anesthesia services described by 01220 are provided. They are commonly used together in the clinical workflow, with 01220 representing the anesthesia component and the others representing the surgical procedure.
National Reimbursement Benchmarks
National mean rates for CPT code 01220 show that commercial payers (BUCA average) reimburse at $127.66, which is significantly higher than the UnitedHealth Group mean rate of $65.61. Among the major commercial payers, Cigna has the highest mean rate at $248.87, while Aetna and Blue Cross Blue Shield follow at $175.99 and $213.62, respectively.
Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies notably across payers. Cigna exhibits the widest spread ($348.00 - $90.00 = $258.00), indicating substantial variability in rates. Blue Cross Blue Shield has a tighter range ($262.50 - $164.33 = $98.17), while UnitedHealth Group shows the narrowest dispersion ($76.00 - $50.25 = $25.75), suggesting more consistent reimbursement levels.
The table and chart below present the full 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 01220, with Blue Cross Blue Shield showing the largest range between the 25th and 75th percentiles ($72.70), while Aetna and UnitedHealth Group have minimal spread ($4.00), indicating highly consistent rates. The mean rates for most payers in Alaska are notably higher than their national averages, especially for Blue Cross Blue Shield and BUCA, highlighting Alaska's elevated reimbursement environment for this procedure.
The table and chart below present the full breakdown of payer-specific rates, including mean values and percentile distributions, offering a clear comparison across Aetna, Blue Cross Blue Shield, Cigna, UnitedHealth Group, and BUCA within Alaska.
Key Insights for Alaska
- Blue Cross Blue Shield is the highest paying payer for CPT 01220 in Alaska, with a mean rate of $267.11.
- UnitedHealth Group offers the lowest mean rate at $75.12.
- Alaska's mean rates for most payers are higher than their respective national averages, except for Cigna, which is notably lower in Alaska compared to its national mean.
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.