Summary & Overview
CPT 01656: Anesthesia for Axillary to Femoral Artery Bypass Graft
CPT code 01656 represents anesthesia services for patients undergoing a bypass graft procedure from the axillary artery to the femoral artery, typically performed in an inpatient hospital setting. This code is significant for both clinical and billing purposes, as it ensures proper documentation and reimbursement for anesthesia care during complex vascular surgeries involving the shoulder and axilla. Nationally, the code is recognized by major payers including Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare, reflecting its widespread applicability across diverse healthcare systems.
Readers will gain insight into the clinical context of 01656, including its role in supporting patient safety and surgical outcomes during high-risk vascular procedures. The publication also covers payer coverage details, common billing modifiers, and associated provider taxonomies, offering a comprehensive overview for stakeholders involved in anesthesia billing and policy. Additionally, related CPT codes and ICD-10 diagnoses are discussed to provide a broader understanding of procedural and diagnostic coding in vascular and orthopedic surgery. This summary serves as a resource for healthcare professionals, administrators, and policy analysts seeking up-to-date information on anesthesia coding and reimbursement trends.
CPT Code Overview
CPT code 01656 is designated for anesthesia services provided during procedures involving the shoulder and axilla, specifically when a bypass graft is performed from the axillary artery to the femoral artery. This code is used to report the work of the anesthesia provider in managing the patient throughout this complex vascular surgery. The service type is anesthesia, and the typical site of service is an inpatient hospital setting (Place of Service 21). This code is essential for accurately capturing the clinical and billing aspects of anesthesia care during major vascular procedures involving the upper extremity and lower limb.
Clinical & Coding Specifications
Clinical Context
A patient is admitted to an inpatient hospital for a vascular bypass graft procedure, specifically a bypass from the axillary artery to the femoral artery. This surgery is typically performed to address severe peripheral vascular disease or arterial blockages. The anesthesia provider, such as an anesthesiologist or a certified registered nurse anesthetist, delivers anesthesia services throughout the procedure, ensuring the patient remains safely sedated and pain-free. The clinical workflow involves preoperative assessment, induction and maintenance of anesthesia, intraoperative monitoring, and postoperative care in the hospital setting.
Coding Specifications
Common Modifiers:
| Modifier Code | Description |
|---|---|
AA | Anesthesia services performed personally by anesthesiologist |
QK | Medical direction of two, three, or four concurrent anesthesia procedures |
QX | CRNA service with medical direction by a physician |
QY | Medical direction of one CRNA by an anesthesiologist |
Associated Provider Taxonomies:
207L00000X- Anesthesiology (physicians specializing in anesthesia care)207LA0401X- Pain Medicine (Anesthesiology) (physicians specializing in pain management within anesthesiology)367H00000X- Anesthesiologist Assistant (non-physician anesthesia providers)367500000X- Certified Registered Nurse Anesthetist (CRNA) (advanced practice nurses specializing in anesthesia)
Related Diagnoses
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M17.10- Unilateral primary osteoarthritis, unspecified knee- Indicates primary osteoarthritis affecting one knee, relevant for patients undergoing procedures due to joint disease.
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M17.11- Unilateral primary osteoarthritis, right knee- Specifies osteoarthritis in the right knee, often leading to surgical intervention.
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M17.12- Unilateral primary osteoarthritis, left knee- Specifies osteoarthritis in the left knee, relevant for surgical planning.
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M17.5- Other unilateral secondary osteoarthritis of knee- Refers to secondary osteoarthritis in one knee, which may necessitate surgical or anesthesia services.
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Z96.651- Presence of right artificial knee joint- Indicates a patient has a right knee prosthesis, important for perioperative management.
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Z96.652- Presence of left artificial knee joint- Indicates a left knee prosthesis, relevant for anesthesia considerations during surgery.
Each diagnosis code is clinically relevant as it may represent the underlying reason for surgical intervention or impact anesthesia planning for vascular or orthopedic procedures.
Related CPT Codes
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27447- Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)- This code represents a surgical knee replacement procedure. It may require anesthesia services similar to those described by
01656in complex cases.
- This code represents a surgical knee replacement procedure. It may require anesthesia services similar to those described by
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01402- Anesthesia for open or surgical arthroscopic procedures on knee joint; total knee arthroplasty- This code is used for anesthesia during knee arthroplasty procedures, often performed in conjunction with
27447.
- This code is used for anesthesia during knee arthroplasty procedures, often performed in conjunction with
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20610- Arthrocentesis, aspiration and/or injection into a major joint or bursa- This code is for joint injections or aspirations, which may require anesthesia in certain cases.
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29881- Arthroscopy, knee, surgical; with meniscectomy (medial OR lateral, including any meniscal shaving)- This code covers surgical arthroscopy of the knee, sometimes performed with anesthesia services.
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29888- Arthroscopically aided anterior cruciate ligament repair/augmentation or reconstruction- This code is for ACL repair or reconstruction, which may involve anesthesia similar to that provided for bypass graft procedures.
Clinical Workflow Notes:
01402is commonly used with27447for anesthesia during knee arthroplasty.20610,29881, and29888are alternatives or adjuncts for joint procedures requiring anesthesia.- All related codes may require anesthesia services, but
01656is specific to bypass graft procedures involving the axillary and femoral arteries.
National Reimbursement Benchmarks
For CPT code 01656, the national mean rate for BUCA (average commercial) is $218.51, while Medicare data is not available in the input. Among the commercial payers, Cigna has the highest mean rate at $551.33, followed by Blue Cross Blue Shield at $500.93. UnitedHealth Group has the lowest mean rate at $65.52.
Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies significantly across payers. UnitedHealth Group shows the tightest range ($25.00), indicating less variability in rates, while Cigna exhibits the widest range ($777.00), reflecting substantial variation. Aetna and BUCA also display considerable dispersion, with ranges of $528.33 and $318.67, respectively.
The table and chart below present the full breakdown of national benchmarks for each payer.
State Benchmarks
State: AK1 / 50
Alaska Benchmarks
Alaska demonstrates a wide range in reimbursement rates for CPT code 01656, particularly among commercial payers. The rate spread, calculated as the difference between the 75th and 25th percentiles, is most pronounced for Blue Cross Blue Shield, with a spread of $208.25 ($726.25 minus $518.00). Other payers, such as Aetna, Cigna, and UnitedHealth Group, show minimal rate spread, with their 25th, 50th, and 75th percentiles clustered closely together, indicating less variability in negotiated rates.
Compared to national averages, Alaska's mean rates for Blue Cross Blue Shield and Aetna are significantly higher, while Cigna and UnitedHealth Group are below their respective national benchmarks. The table and chart below present the full breakdown of payer-specific rates in Alaska, highlighting the substantial differences across payers.
Key Insights for Alaska
- Blue Cross Blue Shield is the highest paying payer in Alaska for CPT 01656, with a mean rate of $631.22, while UnitedHealth Group is the lowest at $74.78.
- The rate spread in Alaska is substantial, with BCBS showing a 75th percentile of $726.25 and a 25th percentile of $518, indicating significant variability compared to other payers.
- Mean rates for most payers in Alaska, especially BCBS, are notably higher than their respective national averages, except for Cigna and UnitedHealth Group, which are below national benchmarks.
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