Summary & Overview
CPT 01232: Anesthesia for Upper Leg Procedures (Except Knee)
CPT code 01232 covers anesthesia services for procedures performed on the upper leg, excluding the knee, in inpatient hospital settings. This code is nationally recognized and plays a critical role in ensuring proper billing and reimbursement for anesthesia care during surgical interventions in this anatomical region. The code is relevant for anesthesiologists, pain medicine specialists, and certified registered nurse anesthetists, reflecting its broad clinical applicability.
Major payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. Understanding how these payers process claims for CPT code 01232 is essential for providers and billing professionals seeking to navigate policy updates and reimbursement benchmarks.
Readers will gain insight into the clinical context of upper leg anesthesia procedures, common billing modifiers such as QS and QX, and associated taxonomies. The publication also highlights related CPT codes and ICD-10 diagnoses frequently linked to these procedures, offering a comprehensive overview of coding practices and payer coverage. This summary provides a foundation for understanding national trends and policy considerations surrounding anesthesia billing for upper leg surgeries.
CPT Code Overview
CPT code 01232 is designated for anesthesia services provided during procedures on the upper leg, excluding the knee. This code is used to report the administration of anesthesia by qualified professionals for surgical interventions in this anatomical region. The typical site of service for CPT code 01232 is an inpatient hospital setting, specifically place of service 21. As an anesthesia code, it is relevant for both clinical and billing purposes, ensuring accurate documentation and reimbursement for anesthesia care during upper leg procedures.
Clinical & Coding Specifications
Clinical Context
A typical patient scenario involves an adult admitted to an inpatient hospital for a surgical procedure on the upper leg, excluding the knee. The patient may have a history of osteoarthritis or previous knee replacement, but the surgery is focused on the upper leg (such as the thigh or femur) rather than the knee joint. An anesthesiologist or certified registered nurse anesthetist (CRNA) provides anesthesia services to ensure the patient is safely sedated and pain-free during the procedure. The clinical workflow includes preoperative assessment, administration of anesthesia, intraoperative monitoring, and postoperative care in the hospital setting.
Coding Specifications
-
Modifier
QS: Indicates a monitored anesthesia care service. Used when the anesthesia provider is present and monitoring the patient, but not providing general anesthesia. -
Modifier
QX: Used when a CRNA is providing anesthesia services with medical direction by a physician.
| Modifier Code | Description |
|---|---|
QS | Monitored anesthesia care service |
QX | CRNA service with medical direction by physician |
- Provider Taxonomies:
| Taxonomy Code | Specialty |
|---|---|
207L00000X | Anesthesiology |
207LA0401X | Pain Medicine (Anesthesiology) |
367500000X | Certified Registered Nurse Anesthetist |
Related Diagnoses
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M17.10: Unilateral primary osteoarthritis, unspecified knee- Indicates osteoarthritis affecting one knee, which may be relevant if the patient has a history of knee disease but is undergoing upper leg surgery.
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M17.11: Unilateral primary osteoarthritis, right knee- Specifies osteoarthritis in the right knee; relevant for patients with prior knee issues who require upper leg procedures.
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M17.12: Unilateral primary osteoarthritis, left knee- Specifies osteoarthritis in the left knee; similar clinical relevance as above.
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M17.0: Bilateral primary osteoarthritis of knee- Indicates osteoarthritis in both knees; may be part of the patient's medical history.
-
Z96.651: Presence of right artificial knee joint- Documents a right knee replacement; relevant for surgical planning and anesthesia risk assessment.
-
Z96.652: Presence of left artificial knee joint- Documents a left knee replacement; similarly relevant for perioperative management.
These diagnoses provide context for the patient's musculoskeletal status and may influence anesthesia planning for upper leg procedures.
Related CPT Codes
-
01230: Anesthesia for Procedures on the Upper Leg (Except Knee) (open procedure)- Used for anesthesia during open surgical procedures on the upper leg, excluding the knee. May be used as an alternative or in conjunction with
01232depending on the surgical approach.
- Used for anesthesia during open surgical procedures on the upper leg, excluding the knee. May be used as an alternative or in conjunction with
-
01234: Anesthesia for Procedures on the Upper Leg (Except Knee) (radical resection)- Used for anesthesia during radical resection procedures on the upper leg, excluding the knee. This code is typically used for more extensive surgeries and may be selected instead of
01232when the procedure is radical in nature.
- Used for anesthesia during radical resection procedures on the upper leg, excluding the knee. This code is typically used for more extensive surgeries and may be selected instead of
These codes are related to 01232 and are chosen based on the specific surgical procedure performed. They are not commonly used together but may be alternatives depending on the clinical scenario.
National Reimbursement Benchmarks
For CPT code 01232, the national mean rate for BUCA (average commercial) is $140.29, which is substantially higher than the UnitedHealth Group mean rate of $65.55. Among commercial payers, Cigna has the highest mean rate at $298.28, while UnitedHealth Group is the lowest.
Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies significantly across payers. Blue Cross Blue Shield shows the tightest range ($333.00 - $201.53 = $131.47), while Cigna exhibits the widest spread ($433.00 - $88.00 = $345.00), indicating greater variability in Cigna's contracted rates. Aetna and BUCA also display considerable dispersion, with ranges of $266.00 and $160.60, 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 demonstrates a wide spread in reimbursement rates for CPT code 01232, with Blue Cross Blue Shield showing the largest range between the 25th and 75th percentiles ($370.00 minus $274.60 equals $95.40), indicating substantial variability in payments. In contrast, Aetna and UnitedHealth Group have minimal rate spreads, with all percentiles clustered closely around $72.00, suggesting consistent but lower reimbursement levels. The mean rates for most payers in Alaska are notably higher than their respective national averages, particularly for Blue Cross Blue Shield and BUCA, highlighting Alaska's elevated payment environment for this code.
The table and chart below present the full breakdown of mean rates and percentile distributions by payer for Alaska, allowing for direct comparison across insurers. This detailed view underscores the significant differences in reimbursement levels and variability among payers in the state.
Key Insights for Alaska
- Blue Cross Blue Shield is the highest paying payer for CPT 01232 in Alaska, with a mean rate of $327.84.
- UnitedHealth Group offers the lowest mean rate at $75.12.
- Alaska's mean rates for most payers are significantly higher than national averages, especially for Blue Cross Blue Shield and BUCA.
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.