CPT 01472: Anesthesia for Lower Leg/Ankle/Foot Tendon Procedures
CPT code 01472 designates anesthesia services for surgical procedures involving the nerves, muscles, tendons, and fascia of the lower leg, ankle, and foot, and explicitly includes repair of a ruptured Achilles tendon with or without graft. This code is used to bill perioperative anesthesia care when these specific lower-extremity soft-tissue or tendon operations are performed.
Nationally, accurate use of CPT code 01472 matters for proper reimbursement of anesthesiology services tied to lower-extremity orthopedic and podiatric procedures, and for consistent claims reporting across outpatient surgery centers and hospital operating rooms. Major commercial payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare, with Medicare also addressed for fee-for-service billing considerations.
Readers will find a concise overview of clinical context for procedures that trigger this anesthesia code, comparisons to closely related anesthesia codes used for adjacent procedure types, and a summary of common payer coverage considerations. The publication also outlines typical sites of service and the service category for claim processing. This material is intended to support coding accuracy, billing clarity, and administrative consistency for providers and billing teams managing anesthesia claims for lower-leg, ankle, and foot tendon and soft-tissue surgeries.
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Billing Code Overview
CPT code 01472 describes anesthesia services provided for procedures on the nerves, muscles, tendons, and fascia of the lower leg, ankle, and foot, specifically including repair of a ruptured Achilles tendon, performed with or without graft.
Service type: Anesthesia for lower leg, ankle, and foot soft tissue and tendon procedures
Typical site of service: Hospital operating room or ambulatory surgical center
Clinical & Coding Specifications
Clinical Context
A 38-year-old male presents after a sports-related injury with an acute rupture of the right Achilles tendon and impaired ambulation. Imaging confirms a complete tear of the Achilles tendon and associated soft-tissue contusion. The orthopedic surgeon schedules an operative open repair of the ruptured Achilles tendon under monitored general anesthesia with a popliteal sciatic peripheral nerve block for postoperative analgesia. Preoperative evaluation documents ASA physical status II, no known drug allergies, and informed consent for anesthesia. On the day of surgery the anesthesia team performs standard monitors, induction of general anesthesia, endotracheal intubation, placement of a popliteal sciatic nerve block under ultrasound guidance, intraoperative anesthetic management during repair of tendons and fascia in the distal lower leg and ankle, and emergence with immediate postoperative pain control plan.
A typical clinical workflow includes preoperative assessment and documentation of history/physical and ASA status; airway evaluation; consent for anesthesia; pre-block timeout; performance of regional nerve block (if planned) and documentation of neurologic baseline; induction and maintenance of general or monitored anesthesia care; intraoperative management of hemodynamics and analgesia; timed anesthesia start and end for billing; handoff to PACU with block efficacy and limb neurovascular status recorded. Relevant postoperative instructions include pain regimen and limb elevation; follow-up with orthopedics for wound checks and rehabilitation.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when intraoperative management is substantially greater in complexity or time than usual for the procedure (document justification and time). |
23 | Unusual anesthesia | Use when surgery is emergency or performed under general anesthesia for a condition that normally would not require general anesthesia; document circumstances. |
50 | Bilateral procedure | Use when identical procedures are performed on both lower extremities during same operative session (document bilateral nature). |
52 | Reduced services | Use when procedure is partially reduced or not completed as planned but anesthesia services were provided (document reason). |
53 | Discontinued procedure | Use when procedure is terminated due to extenuating circumstances after anesthesia begun (document cause and timing). |
62 | Two surgeons | Use when two surgeons are required and documented to perform distinct portions of the procedure concurrently or consecutively. |
78 | Unplanned return to OR | Use for treatment of a complication requiring return to operating room for related anesthesia services during the global period. |
AA | Anesthesia by anesthesiologist | Use when an MD or DO anesthesiologist personally performs the anesthesia service. |
QK | Medical direction of two or more CRNAs/Anesthetists by anesthesiologist | Use when the anesthesiologist medically directs multiple certified registered nurse anesthetists and documentation meets medical direction criteria. |
QS | Monitored anesthesia care (MAC) service | Use to indicate MAC when provided instead of general or regional anesthesia and when payer requires the modifier. |
QX | CRNA service with CRNA billing under their own NPI | Use when a CRNA performs the service and bills under their individual NPI subject to payer rules. |
RT | Right side | Use to designate right-sided procedure when laterality is required for claims. |
LT | Left side | Data not in provided modifier list; do not use. |
| Taxonomy Code | Specialty | Notes |
|---|---|---|
207L00000X | Anesthesiology | Physician anesthesiologists who perform and document anesthesia care for lower leg/ankle/foot procedures. |
207RA0401X | Anesthesiology Assistant | Anesthesiology assistants who provide supervised anesthesia services under physician medical direction per state/payer rules. |
367500000X | Certified Registered Nurse Anesthetist | CRNAs who provide anesthesia services including general, regional, and monitored anesthesia care for tendon/ankle procedures. |
Related Diagnoses
| ICD-10 Code | Description | Clinical Relevance |
|---|---|---|
S82.101A | Fracture of upper end of right tibia, initial encounter for closed fracture | Right proximal tibial fractures may be associated with soft-tissue and tendon injury in the distal leg and can necessitate anesthesia for operative fixation or concomitant tendon repair. |
S82.102A | Fracture of upper end of left tibia, initial encounter for closed fracture | Left-sided proximal tibial fracture presenting similarly when the surgical site and anesthesia coverage involve the lower leg/ankle/foot. |
M25.571 | Pain in right ankle and joints of right foot | Localized pain may be an indication for diagnostic or therapeutic procedures in the ankle/foot region requiring anesthesia for tendon/nerve interventions. |
M25.572 | Pain in left ankle and joints of left foot | Left-sided pain potentially associated with surgical procedures involving tendons and fascia requiring anesthesia services. |
S93.401A | Sprain of unspecified ligament of right ankle, initial encounter | Acute ankle ligament sprains can accompany tendon injuries or be managed surgically (eg, repair or exploration) requiring anesthesia coverage for the lower leg/ankle/foot. |
Related CPT Codes
| CPT Code | Description | Relationship to This Procedure |
|---|---|---|
01470 | Anesthesia for procedures on nerves, muscles, tendons, and fascia of lower leg, ankle, and foot; not otherwise specified | Alternative anesthesia code for lower leg/ankle/foot procedures when the specific procedure mapping differs; used when procedure complexity fits NOS descriptor. |
01474 | Anesthesia for procedures on nerves, muscles, tendons, and fascia of lower leg, ankle, and foot; gastrocnemius recession (eg, Strayer procedure) | Related anesthesia code for specific myofascial lengthening procedures of the gastrocnemius that may be performed in the same operative field or for differential coding when the primary surgical procedure is gastrocnemius recession. |